diff --git a/package/visualization/plot_edf/LICENSE b/package/visualization/plot_edf/LICENSE
new file mode 100644
index 00000000..4e2b34c1
--- /dev/null
+++ b/package/visualization/plot_edf/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Preferred Networks, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/package/visualization/plot_edf/README.md b/package/visualization/plot_edf/README.md
new file mode 100644
index 00000000..6b14ecca
--- /dev/null
+++ b/package/visualization/plot_edf/README.md
@@ -0,0 +1,17 @@
+---
+author: 'Optuna team'
+title: 'Empirical Distribution Function Plot'
+description: 'Plot the objective value EDF (empirical distribution function) of a study.'
+tags: ['visualization']
+optuna_versions: ['3.6.1']
+license: 'MIT License'
+---
+
+## Class or Function Names
+- plot_edf
+
+## Example
+```python
+mod = optunahub.load_module("visualization/plot_edf")
+mod.plot_edf(study)
+```
diff --git a/package/visualization/plot_edf/__init__.py b/package/visualization/plot_edf/__init__.py
new file mode 100644
index 00000000..3d520fb9
--- /dev/null
+++ b/package/visualization/plot_edf/__init__.py
@@ -0,0 +1,4 @@
+from optuna.visualization import plot_edf
+
+
+__all__ = ["plot_edf"]
diff --git a/package/visualization/plot_edf/images/thumbnail.png b/package/visualization/plot_edf/images/thumbnail.png
new file mode 100644
index 00000000..c9b53b62
Binary files /dev/null and b/package/visualization/plot_edf/images/thumbnail.png differ
diff --git a/package/visualization/plot_hypervolume_history/LICENSE b/package/visualization/plot_hypervolume_history/LICENSE
new file mode 100644
index 00000000..4e2b34c1
--- /dev/null
+++ b/package/visualization/plot_hypervolume_history/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Preferred Networks, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/package/visualization/plot_hypervolume_history/README.md b/package/visualization/plot_hypervolume_history/README.md
new file mode 100644
index 00000000..6a1916a4
--- /dev/null
+++ b/package/visualization/plot_hypervolume_history/README.md
@@ -0,0 +1,17 @@
+---
+author: 'Optuna team'
+title: 'Hypervolume History Plot'
+description: 'Plot hypervolume history of all trials in a study.'
+tags: ['visualization']
+optuna_versions: ['3.6.1']
+license: 'MIT License'
+---
+
+## Class or Function Names
+- plot_hypervolume_history
+
+## Example
+```python
+mod = optunahub.load_module("visualization/plot_hypervolume_history")
+mod.plot_hypervolume_history(study, reference_point)
+```
diff --git a/package/visualization/plot_hypervolume_history/__init__.py b/package/visualization/plot_hypervolume_history/__init__.py
new file mode 100644
index 00000000..bd17ef1f
--- /dev/null
+++ b/package/visualization/plot_hypervolume_history/__init__.py
@@ -0,0 +1,4 @@
+from optuna.visualization import plot_hypervolume_history
+
+
+__all__ = ["plot_hypervolume_history"]
diff --git a/package/visualization/plot_hypervolume_history/images/thumbnail.png b/package/visualization/plot_hypervolume_history/images/thumbnail.png
new file mode 100644
index 00000000..71158f12
Binary files /dev/null and b/package/visualization/plot_hypervolume_history/images/thumbnail.png differ
diff --git a/package/visualization/plot_intermediate_values/LICENSE b/package/visualization/plot_intermediate_values/LICENSE
new file mode 100644
index 00000000..4e2b34c1
--- /dev/null
+++ b/package/visualization/plot_intermediate_values/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Preferred Networks, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/package/visualization/plot_intermediate_values/README.md b/package/visualization/plot_intermediate_values/README.md
new file mode 100644
index 00000000..d06b6013
--- /dev/null
+++ b/package/visualization/plot_intermediate_values/README.md
@@ -0,0 +1,17 @@
+---
+author: 'Optuna team'
+title: 'Intermediate Values Plot'
+description: 'Plot intermediate values of all trials in a study.'
+tags: ['visualization']
+optuna_versions: ['3.6.1']
+license: 'MIT License'
+---
+
+## Class or Function Names
+- plot_intermediate_values
+
+## Example
+```python
+mod = optunahub.load_module("visualization/plot_intermediate_values")
+mod.plot_intermediate_values(study)
+```
diff --git a/package/visualization/plot_intermediate_values/__init__.py b/package/visualization/plot_intermediate_values/__init__.py
new file mode 100644
index 00000000..9276d6be
--- /dev/null
+++ b/package/visualization/plot_intermediate_values/__init__.py
@@ -0,0 +1,4 @@
+from optuna.visualization import plot_intermediate_values
+
+
+__all__ = ["plot_intermediate_values"]
diff --git a/package/visualization/plot_intermediate_values/images/thumbnail.png b/package/visualization/plot_intermediate_values/images/thumbnail.png
new file mode 100644
index 00000000..b0627aa4
Binary files /dev/null and b/package/visualization/plot_intermediate_values/images/thumbnail.png differ
diff --git a/package/visualization/plot_optimization_history/LICENSE b/package/visualization/plot_optimization_history/LICENSE
new file mode 100644
index 00000000..4e2b34c1
--- /dev/null
+++ b/package/visualization/plot_optimization_history/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Preferred Networks, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/package/visualization/plot_optimization_history/README.md b/package/visualization/plot_optimization_history/README.md
new file mode 100644
index 00000000..bf99f530
--- /dev/null
+++ b/package/visualization/plot_optimization_history/README.md
@@ -0,0 +1,17 @@
+---
+author: 'Optuna team'
+title: 'Optimization History Plot'
+description: 'Plot optimization history of all trials in a study.'
+tags: ['visualization']
+optuna_versions: ['3.6.1']
+license: 'MIT License'
+---
+
+## Class or Function Names
+- plot_optimization_history
+
+## Example
+```python
+mod = optunahub.load_module("visualization/plot_optimization_history")
+mod.plot_optimization_history(study)
+```
diff --git a/package/visualization/plot_optimization_history/__init__.py b/package/visualization/plot_optimization_history/__init__.py
new file mode 100644
index 00000000..98014ef9
--- /dev/null
+++ b/package/visualization/plot_optimization_history/__init__.py
@@ -0,0 +1,4 @@
+from optuna.visualization import plot_optimization_history
+
+
+__all__ = ["plot_optimization_history"]
diff --git a/package/visualization/plot_optimization_history/images/thumbnail.png b/package/visualization/plot_optimization_history/images/thumbnail.png
new file mode 100644
index 00000000..f4409d89
Binary files /dev/null and b/package/visualization/plot_optimization_history/images/thumbnail.png differ
diff --git a/package/visualization/plot_parallel_coordinate/LICENSE b/package/visualization/plot_parallel_coordinate/LICENSE
new file mode 100644
index 00000000..4e2b34c1
--- /dev/null
+++ b/package/visualization/plot_parallel_coordinate/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Preferred Networks, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/package/visualization/plot_parallel_coordinate/README.md b/package/visualization/plot_parallel_coordinate/README.md
new file mode 100644
index 00000000..a815a457
--- /dev/null
+++ b/package/visualization/plot_parallel_coordinate/README.md
@@ -0,0 +1,17 @@
+---
+author: 'Optuna team'
+title: 'Parallel Coordinate Plot'
+description: 'Plot the high-dimensional parameter relationships in a study.'
+tags: ['visualization']
+optuna_versions: ['3.6.1']
+license: 'MIT License'
+---
+
+## Class or Function Names
+- plot_parallel_coordinate
+
+## Example
+```python
+mod = optunahub.load_module("visualization/plot_parallel_coordinate")
+mod.plot_parallel_coordinate(study)
+```
diff --git a/package/visualization/plot_parallel_coordinate/__init__.py b/package/visualization/plot_parallel_coordinate/__init__.py
new file mode 100644
index 00000000..5ca2f64b
--- /dev/null
+++ b/package/visualization/plot_parallel_coordinate/__init__.py
@@ -0,0 +1,4 @@
+from optuna.visualization import plot_parallel_coordinate
+
+
+__all__ = ["plot_parallel_coordinate"]
diff --git a/package/visualization/plot_parallel_coordinate/images/thumbnail.png b/package/visualization/plot_parallel_coordinate/images/thumbnail.png
new file mode 100644
index 00000000..57de55bf
Binary files /dev/null and b/package/visualization/plot_parallel_coordinate/images/thumbnail.png differ
diff --git a/package/visualization/plot_param_importances/LICENSE b/package/visualization/plot_param_importances/LICENSE
new file mode 100644
index 00000000..4e2b34c1
--- /dev/null
+++ b/package/visualization/plot_param_importances/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Preferred Networks, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/package/visualization/plot_param_importances/README.md b/package/visualization/plot_param_importances/README.md
new file mode 100644
index 00000000..6b1c203d
--- /dev/null
+++ b/package/visualization/plot_param_importances/README.md
@@ -0,0 +1,17 @@
+---
+author: 'Optuna team'
+title: 'Hyperparameter Importances Plot'
+description: 'Plot hyperparameter importances.'
+tags: ['visualization']
+optuna_versions: ['3.6.1']
+license: 'MIT License'
+---
+
+## Class or Function Names
+- plot_param_importances
+
+## Example
+```python
+mod = optunahub.load_module("visualization/plot_param_importances")
+mod.plot_param_importances(study)
+```
diff --git a/package/visualization/plot_param_importances/__init__.py b/package/visualization/plot_param_importances/__init__.py
new file mode 100644
index 00000000..e4fc9d72
--- /dev/null
+++ b/package/visualization/plot_param_importances/__init__.py
@@ -0,0 +1,4 @@
+from optuna.visualization import plot_param_importances
+
+
+__all__ = ["plot_param_importances"]
diff --git a/package/visualization/plot_param_importances/images/thumbnail.png b/package/visualization/plot_param_importances/images/thumbnail.png
new file mode 100644
index 00000000..6be78ac0
Binary files /dev/null and b/package/visualization/plot_param_importances/images/thumbnail.png differ
diff --git a/package/visualization/plot_pareto_front/LICENSE b/package/visualization/plot_pareto_front/LICENSE
new file mode 100644
index 00000000..4e2b34c1
--- /dev/null
+++ b/package/visualization/plot_pareto_front/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Preferred Networks, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/package/visualization/plot_pareto_front/README.md b/package/visualization/plot_pareto_front/README.md
new file mode 100644
index 00000000..ff8f662b
--- /dev/null
+++ b/package/visualization/plot_pareto_front/README.md
@@ -0,0 +1,17 @@
+---
+author: 'Optuna team'
+title: 'Pareto-front Plot'
+description: 'Plot the Pareto front of a study.'
+tags: ['visualization']
+optuna_versions: ['3.6.1']
+license: 'MIT License'
+---
+
+## Class or Function Names
+- plot_pareto_front
+
+## Example
+```python
+mod = optunahub.load_module("visualization/plot_pareto_front")
+mod.plot_pareto_front(study)
+```
diff --git a/package/visualization/plot_pareto_front/__init__.py b/package/visualization/plot_pareto_front/__init__.py
new file mode 100644
index 00000000..400c590c
--- /dev/null
+++ b/package/visualization/plot_pareto_front/__init__.py
@@ -0,0 +1,4 @@
+from optuna.visualization import plot_pareto_front
+
+
+__all__ = ["plot_pareto_front"]
diff --git a/package/visualization/plot_pareto_front/images/thumbnail.png b/package/visualization/plot_pareto_front/images/thumbnail.png
new file mode 100644
index 00000000..2500cc66
Binary files /dev/null and b/package/visualization/plot_pareto_front/images/thumbnail.png differ
diff --git a/package/visualization/plot_rank/LICENSE b/package/visualization/plot_rank/LICENSE
new file mode 100644
index 00000000..4e2b34c1
--- /dev/null
+++ b/package/visualization/plot_rank/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Preferred Networks, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/package/visualization/plot_rank/README.md b/package/visualization/plot_rank/README.md
new file mode 100644
index 00000000..e1485956
--- /dev/null
+++ b/package/visualization/plot_rank/README.md
@@ -0,0 +1,17 @@
+---
+author: 'Optuna team'
+title: 'Rank Plot'
+description: 'Plot parameter relations as scatter plots with colors indicating ranks of target value.'
+tags: ['visualization']
+optuna_versions: ['3.6.1']
+license: 'MIT License'
+---
+
+## Class or Function Names
+- plot_rank
+
+## Example
+```python
+mod = optunahub.load_module("visualization/plot_rank")
+mod.plot_rank(study)
+```
diff --git a/package/visualization/plot_rank/__init__.py b/package/visualization/plot_rank/__init__.py
new file mode 100644
index 00000000..833dad7b
--- /dev/null
+++ b/package/visualization/plot_rank/__init__.py
@@ -0,0 +1,4 @@
+from optuna.visualization import plot_rank
+
+
+__all__ = ["plot_rank"]
diff --git a/package/visualization/plot_rank/images/thumbnail.png b/package/visualization/plot_rank/images/thumbnail.png
new file mode 100644
index 00000000..7fcec9eb
Binary files /dev/null and b/package/visualization/plot_rank/images/thumbnail.png differ
diff --git a/package/visualization/plot_slice/LICENSE b/package/visualization/plot_slice/LICENSE
new file mode 100644
index 00000000..4e2b34c1
--- /dev/null
+++ b/package/visualization/plot_slice/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Preferred Networks, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/package/visualization/plot_slice/README.md b/package/visualization/plot_slice/README.md
new file mode 100644
index 00000000..2410ed3d
--- /dev/null
+++ b/package/visualization/plot_slice/README.md
@@ -0,0 +1,17 @@
+---
+author: 'Optuna team'
+title: 'Slice Plot'
+description: 'Plot the parameter relationship as slice plot in a study.'
+tags: ['visualization']
+optuna_versions: ['3.6.1']
+license: 'MIT License'
+---
+
+## Class or Function Names
+- plot_slice
+
+## Example
+```python
+mod = optunahub.load_module("visualization/plot_slice")
+mod.plot_slice(study)
+```
diff --git a/package/visualization/plot_slice/__init__.py b/package/visualization/plot_slice/__init__.py
new file mode 100644
index 00000000..69e4f27e
--- /dev/null
+++ b/package/visualization/plot_slice/__init__.py
@@ -0,0 +1,4 @@
+from optuna.visualization import plot_slice
+
+
+__all__ = ["plot_slice"]
diff --git a/package/visualization/plot_slice/images/thumbnail.png b/package/visualization/plot_slice/images/thumbnail.png
new file mode 100644
index 00000000..36503c87
Binary files /dev/null and b/package/visualization/plot_slice/images/thumbnail.png differ
diff --git a/package/visualization/plot_terminator_improvement/LICENSE b/package/visualization/plot_terminator_improvement/LICENSE
new file mode 100644
index 00000000..4e2b34c1
--- /dev/null
+++ b/package/visualization/plot_terminator_improvement/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Preferred Networks, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/package/visualization/plot_terminator_improvement/README.md b/package/visualization/plot_terminator_improvement/README.md
new file mode 100644
index 00000000..adfdb256
--- /dev/null
+++ b/package/visualization/plot_terminator_improvement/README.md
@@ -0,0 +1,17 @@
+---
+author: 'Optuna team'
+title: 'Terminator Improvement Plot'
+description: 'Plot the potentials for future objective improvement.'
+tags: ['visualization']
+optuna_versions: ['3.6.1']
+license: 'MIT License'
+---
+
+## Class or Function Names
+- plot_terminator_improvement
+
+## Example
+```python
+mod = optunahub.load_module("visualization/plot_terminator_improvement")
+mod.plot_terminator_improvement(study)
+```
diff --git a/package/visualization/plot_terminator_improvement/__init__.py b/package/visualization/plot_terminator_improvement/__init__.py
new file mode 100644
index 00000000..5643cb69
--- /dev/null
+++ b/package/visualization/plot_terminator_improvement/__init__.py
@@ -0,0 +1,4 @@
+from optuna.visualization import plot_terminator_improvement
+
+
+__all__ = ["plot_terminator_improvement"]
diff --git a/package/visualization/plot_terminator_improvement/images/thumbnail.png b/package/visualization/plot_terminator_improvement/images/thumbnail.png
new file mode 100644
index 00000000..148ab2bc
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diff --git a/package/visualization/plot_timeline/LICENSE b/package/visualization/plot_timeline/LICENSE
new file mode 100644
index 00000000..4e2b34c1
--- /dev/null
+++ b/package/visualization/plot_timeline/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Preferred Networks, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/package/visualization/plot_timeline/README.md b/package/visualization/plot_timeline/README.md
new file mode 100644
index 00000000..396c5a49
--- /dev/null
+++ b/package/visualization/plot_timeline/README.md
@@ -0,0 +1,17 @@
+---
+author: 'Optuna team'
+title: 'Timeline Plot'
+description: 'Plot the timeline of a study.'
+tags: ['visualization']
+optuna_versions: ['3.6.1']
+license: 'MIT License'
+---
+
+## Class or Function Names
+- plot_timeline
+
+## Example
+```python
+mod = optunahub.load_module("visualization/plot_timeline")
+mod.plot_timeline(study)
+```
diff --git a/package/visualization/plot_timeline/__init__.py b/package/visualization/plot_timeline/__init__.py
new file mode 100644
index 00000000..d0d1a711
--- /dev/null
+++ b/package/visualization/plot_timeline/__init__.py
@@ -0,0 +1,4 @@
+from optuna.visualization import plot_timeline
+
+
+__all__ = ["plot_timeline"]
diff --git a/package/visualization/plot_timeline/images/thumbnail.png b/package/visualization/plot_timeline/images/thumbnail.png
new file mode 100644
index 00000000..56e36c18
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