diff --git a/Packages/com.mimylab.fukuroudon/CHANGELOG.md b/Packages/com.mimylab.fukuroudon/CHANGELOG.md
index 10469ab..d291ec6 100644
--- a/Packages/com.mimylab.fukuroudon/CHANGELOG.md
+++ b/Packages/com.mimylab.fukuroudon/CHANGELOG.md
@@ -6,6 +6,12 @@
 
 利用手順は[こちら](https://github.com/mimyquality/FukuroUdon/wiki)からご確認ください。
 
+## [1.18.2] - 2024/5/4
+
+- **Added**
+  - General
+    - Boundary Cullingを追加しました。ViewPoint Trackerの対象として使うコンポーネントです。
+
 ## [1.18.1] - 2024/4/17
 
 - **Fixed**
@@ -429,6 +435,7 @@
     - 0.2.7バージョンで、later-joiner視点でjoin直後が非アクティブだと同期しなかったのを修正しました。
     - 他人がピックアップした際にオブジェクトが一瞬跳ねる現象を低減しました。
 
+[1.18.2]: https://github.com/mimyquality/FukuroUdon/releases/tag/1.18.2
 [1.18.1]: https://github.com/mimyquality/FukuroUdon/releases/tag/1.18.1
 [1.18.0]: https://github.com/mimyquality/FukuroUdon/releases/tag/1.18.0
 [1.17.0]: https://github.com/mimyquality/FukuroUdon/releases/tag/1.17.0
diff --git a/Packages/com.mimylab.fukuroudon/Runtime/AmbientSoundAssistant/Scripts/BoundaryCulling.asset b/Packages/com.mimylab.fukuroudon/Runtime/AmbientSoundAssistant/Scripts/BoundaryCulling.asset
new file mode 100644
index 0000000..81e1c1b
--- /dev/null
+++ b/Packages/com.mimylab.fukuroudon/Runtime/AmbientSoundAssistant/Scripts/BoundaryCulling.asset
@@ -0,0 +1,412 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &11400000
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: c333ccfdd0cbdbc4ca30cef2dd6e6b9b, type: 3}
+  m_Name: BoundaryCulling
+  m_EditorClassIdentifier: 
+  serializedUdonProgramAsset: {fileID: 11400000, guid: d10cbfb6cb8796140980089221530fcb, type: 2}
+  udonAssembly: 
+  assemblyError: 
+  sourceCsScript: {fileID: 11500000, guid: e40357aa87837184e81fb6c902a3f10d, type: 3}
+  scriptVersion: 2
+  compiledVersion: 2
+  behaviourSyncMode: 1
+  hasInteractEvent: 0
+  scriptID: -3494015841569052130
+  serializationData:
+    SerializedFormat: 2
+    SerializedBytes: 
+    ReferencedUnityObjects: []
+    SerializedBytesString: 
+    Prefab: {fileID: 0}
+    PrefabModificationsReferencedUnityObjects: []
+    PrefabModifications: []
+    SerializationNodes:
+    - Name: fieldDefinitions
+      Entry: 7
+      Data: 0|System.Collections.Generic.Dictionary`2[[System.String, mscorlib],[UdonSharp.Compiler.FieldDefinition,
+        UdonSharp.Editor]], mscorlib
+    - Name: comparer
+      Entry: 7
+      Data: 1|System.Collections.Generic.GenericEqualityComparer`1[[System.String,
+        mscorlib]], mscorlib
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 12
+      Data: 6
+    - Name: 
+      Entry: 7
+      Data: 
+    - Name: $k
+      Entry: 1
+      Data: _meshRenderer
+    - Name: $v
+      Entry: 7
+      Data: 2|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
+    - Name: <Name>k__BackingField
+      Entry: 1
+      Data: _meshRenderer
+    - Name: <UserType>k__BackingField
+      Entry: 7
+      Data: 3|System.RuntimeType, mscorlib
+    - Name: 
+      Entry: 1
+      Data: UnityEngine.MeshRenderer[], UnityEngine.CoreModule
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: <SystemType>k__BackingField
+      Entry: 9
+      Data: 3
+    - Name: <SyncMode>k__BackingField
+      Entry: 7
+      Data: System.Nullable`1[[UdonSharp.UdonSyncMode, UdonSharp.Runtime]], mscorlib
+    - Name: 
+      Entry: 6
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: <IsSerialized>k__BackingField
+      Entry: 5
+      Data: true
+    - Name: _fieldAttributes
+      Entry: 7
+      Data: 4|System.Collections.Generic.List`1[[System.Attribute, mscorlib]], mscorlib
+    - Name: 
+      Entry: 12
+      Data: 2
+    - Name: 
+      Entry: 7
+      Data: 5|UnityEngine.HeaderAttribute, UnityEngine.CoreModule
+    - Name: header
+      Entry: 1
+      Data: Targets
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 7
+      Data: 6|UnityEngine.SerializeField, UnityEngine.CoreModule
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 13
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 7
+      Data: 
+    - Name: $k
+      Entry: 1
+      Data: _skinnedMeshRenderer
+    - Name: $v
+      Entry: 7
+      Data: 7|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
+    - Name: <Name>k__BackingField
+      Entry: 1
+      Data: _skinnedMeshRenderer
+    - Name: <UserType>k__BackingField
+      Entry: 7
+      Data: 8|System.RuntimeType, mscorlib
+    - Name: 
+      Entry: 1
+      Data: UnityEngine.SkinnedMeshRenderer[], UnityEngine.CoreModule
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: <SystemType>k__BackingField
+      Entry: 9
+      Data: 8
+    - Name: <SyncMode>k__BackingField
+      Entry: 7
+      Data: System.Nullable`1[[UdonSharp.UdonSyncMode, UdonSharp.Runtime]], mscorlib
+    - Name: 
+      Entry: 6
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: <IsSerialized>k__BackingField
+      Entry: 5
+      Data: true
+    - Name: _fieldAttributes
+      Entry: 7
+      Data: 9|System.Collections.Generic.List`1[[System.Attribute, mscorlib]], mscorlib
+    - Name: 
+      Entry: 12
+      Data: 1
+    - Name: 
+      Entry: 7
+      Data: 10|UnityEngine.SerializeField, UnityEngine.CoreModule
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 13
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 7
+      Data: 
+    - Name: $k
+      Entry: 1
+      Data: _point
+    - Name: $v
+      Entry: 7
+      Data: 11|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
+    - Name: <Name>k__BackingField
+      Entry: 1
+      Data: _point
+    - Name: <UserType>k__BackingField
+      Entry: 7
+      Data: 12|System.RuntimeType, mscorlib
+    - Name: 
+      Entry: 1
+      Data: UnityEngine.Transform, UnityEngine.CoreModule
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: <SystemType>k__BackingField
+      Entry: 9
+      Data: 12
+    - Name: <SyncMode>k__BackingField
+      Entry: 7
+      Data: System.Nullable`1[[UdonSharp.UdonSyncMode, UdonSharp.Runtime]], mscorlib
+    - Name: 
+      Entry: 6
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: <IsSerialized>k__BackingField
+      Entry: 5
+      Data: true
+    - Name: _fieldAttributes
+      Entry: 7
+      Data: 13|System.Collections.Generic.List`1[[System.Attribute, mscorlib]], mscorlib
+    - Name: 
+      Entry: 12
+      Data: 2
+    - Name: 
+      Entry: 7
+      Data: 14|UnityEngine.HeaderAttribute, UnityEngine.CoreModule
+    - Name: header
+      Entry: 1
+      Data: Bound Settings
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 7
+      Data: 15|UnityEngine.SerializeField, UnityEngine.CoreModule
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 13
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 7
+      Data: 
+    - Name: $k
+      Entry: 1
+      Data: _normal
+    - Name: $v
+      Entry: 7
+      Data: 16|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
+    - Name: <Name>k__BackingField
+      Entry: 1
+      Data: _normal
+    - Name: <UserType>k__BackingField
+      Entry: 7
+      Data: 17|System.RuntimeType, mscorlib
+    - Name: 
+      Entry: 1
+      Data: UnityEngine.Vector3, UnityEngine.CoreModule
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: <SystemType>k__BackingField
+      Entry: 9
+      Data: 17
+    - Name: <SyncMode>k__BackingField
+      Entry: 7
+      Data: System.Nullable`1[[UdonSharp.UdonSyncMode, UdonSharp.Runtime]], mscorlib
+    - Name: 
+      Entry: 6
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: <IsSerialized>k__BackingField
+      Entry: 5
+      Data: true
+    - Name: _fieldAttributes
+      Entry: 7
+      Data: 18|System.Collections.Generic.List`1[[System.Attribute, mscorlib]], mscorlib
+    - Name: 
+      Entry: 12
+      Data: 1
+    - Name: 
+      Entry: 7
+      Data: 19|UnityEngine.SerializeField, UnityEngine.CoreModule
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 13
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 7
+      Data: 
+    - Name: $k
+      Entry: 1
+      Data: _prevEnabled
+    - Name: $v
+      Entry: 7
+      Data: 20|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
+    - Name: <Name>k__BackingField
+      Entry: 1
+      Data: _prevEnabled
+    - Name: <UserType>k__BackingField
+      Entry: 7
+      Data: 21|System.RuntimeType, mscorlib
+    - Name: 
+      Entry: 1
+      Data: System.Boolean, mscorlib
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: <SystemType>k__BackingField
+      Entry: 9
+      Data: 21
+    - Name: <SyncMode>k__BackingField
+      Entry: 7
+      Data: System.Nullable`1[[UdonSharp.UdonSyncMode, UdonSharp.Runtime]], mscorlib
+    - Name: 
+      Entry: 6
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: <IsSerialized>k__BackingField
+      Entry: 5
+      Data: false
+    - Name: _fieldAttributes
+      Entry: 7
+      Data: 22|System.Collections.Generic.List`1[[System.Attribute, mscorlib]], mscorlib
+    - Name: 
+      Entry: 12
+      Data: 0
+    - Name: 
+      Entry: 13
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 7
+      Data: 
+    - Name: $k
+      Entry: 1
+      Data: _initialized
+    - Name: $v
+      Entry: 7
+      Data: 23|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
+    - Name: <Name>k__BackingField
+      Entry: 1
+      Data: _initialized
+    - Name: <UserType>k__BackingField
+      Entry: 9
+      Data: 21
+    - Name: <SystemType>k__BackingField
+      Entry: 9
+      Data: 21
+    - Name: <SyncMode>k__BackingField
+      Entry: 7
+      Data: System.Nullable`1[[UdonSharp.UdonSyncMode, UdonSharp.Runtime]], mscorlib
+    - Name: 
+      Entry: 6
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: <IsSerialized>k__BackingField
+      Entry: 5
+      Data: false
+    - Name: _fieldAttributes
+      Entry: 7
+      Data: 24|System.Collections.Generic.List`1[[System.Attribute, mscorlib]], mscorlib
+    - Name: 
+      Entry: 12
+      Data: 0
+    - Name: 
+      Entry: 13
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 13
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
diff --git a/Packages/com.mimylab.fukuroudon/Runtime/AmbientSoundAssistant/Scripts/BoundaryCulling.asset.meta b/Packages/com.mimylab.fukuroudon/Runtime/AmbientSoundAssistant/Scripts/BoundaryCulling.asset.meta
new file mode 100644
index 0000000..8f828c9
--- /dev/null
+++ b/Packages/com.mimylab.fukuroudon/Runtime/AmbientSoundAssistant/Scripts/BoundaryCulling.asset.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: d9f23329e5d0b1a49a4b5100f2b156a4
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 11400000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Packages/com.mimylab.fukuroudon/Runtime/AmbientSoundAssistant/Scripts/BoundaryCulling.cs b/Packages/com.mimylab.fukuroudon/Runtime/AmbientSoundAssistant/Scripts/BoundaryCulling.cs
new file mode 100644
index 0000000..46a3ee9
--- /dev/null
+++ b/Packages/com.mimylab.fukuroudon/Runtime/AmbientSoundAssistant/Scripts/BoundaryCulling.cs
@@ -0,0 +1,68 @@
+/*
+Copyright (c) 2024 Mimy Quality
+Released under the MIT license
+https://opensource.org/licenses/mit-license.php
+*/
+
+namespace MimyLab
+{
+    using UdonSharp;
+    using UnityEngine;
+    using VRC.SDKBase;
+    using VRC.Udon;
+
+    [AddComponentMenu("Fukuro Udon/General/Boundary Culling")]
+    [UdonBehaviourSyncMode(BehaviourSyncMode.None)]
+    public class BoundaryCulling : IViewPointReceiver
+    {
+        [Header("Targets")]
+        [SerializeField]
+        private MeshRenderer[] _meshRenderer = new MeshRenderer[0];
+        [SerializeField]
+        private SkinnedMeshRenderer[] _skinnedMeshRenderer = new SkinnedMeshRenderer[0];
+
+        [Header("Bound Settings")]
+        [SerializeField]
+        private Transform _point;
+        [SerializeField]
+        private Vector3 _normal = Vector3.up;
+
+        private bool _prevEnabled = true;
+
+        private bool _initialized = false;
+        private void Initialize()
+        {
+            if (_initialized) { return; }
+
+            if (!_point) _point = transform;
+            ToggleTargetsEnabled(!_prevEnabled);
+
+            _initialized = true;
+        }
+
+        public override void ReceiveViewPoint(Vector3 position, Quaternion rotation)
+        {
+            Initialize();
+
+            var direction = position - _point.position;
+            var borderNormal = _point.rotation * _normal;
+            ToggleTargetsEnabled(Vector3.Dot(borderNormal, direction) >= 0);
+        }
+
+        private void ToggleTargetsEnabled(bool value)
+        {
+            if (value != _prevEnabled)
+            {
+                foreach (var target in _meshRenderer)
+                {
+                    if (target) { target.enabled = value; }
+                }
+                foreach (var target in _skinnedMeshRenderer)
+                {
+                    if (target) { target.enabled = value; }
+                }
+                _prevEnabled = value;
+            }
+        }
+    }
+}
diff --git a/Packages/com.mimylab.fukuroudon/Runtime/AmbientSoundAssistant/Scripts/BoundaryCulling.cs.meta b/Packages/com.mimylab.fukuroudon/Runtime/AmbientSoundAssistant/Scripts/BoundaryCulling.cs.meta
new file mode 100644
index 0000000..c943188
--- /dev/null
+++ b/Packages/com.mimylab.fukuroudon/Runtime/AmbientSoundAssistant/Scripts/BoundaryCulling.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: e40357aa87837184e81fb6c902a3f10d
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Packages/com.mimylab.fukuroudon/package.json b/Packages/com.mimylab.fukuroudon/package.json
index f1738e1..792fd17 100644
--- a/Packages/com.mimylab.fukuroudon/package.json
+++ b/Packages/com.mimylab.fukuroudon/package.json
@@ -1,7 +1,7 @@
 {
   "name": "com.mimylab.fukuroudon",
   "displayName": "Fukuro Udon",
-  "version": "1.18.1",
+  "version": "1.18.2",
   "description": "MimyLab's U# utilitiy pack for VPM.",
   "unity": "2019.4",
   "author": {
diff --git a/Packages/vpm-manifest.json b/Packages/vpm-manifest.json
index f0b4e41..5ad11f3 100644
--- a/Packages/vpm-manifest.json
+++ b/Packages/vpm-manifest.json
@@ -39,11 +39,11 @@
       "dependencies": {}
     },
     "dev.onevr.vrworldtoolkit": {
-      "version": "3.0.1",
+      "version": "3.1.0",
       "dependencies": {}
     },
     "net.ureishi.qvpen": {
-      "version": "3.2.12",
+      "version": "3.2.13",
       "dependencies": {
         "com.vrchat.worlds": "^3.4.0"
       }