diff --git a/CHANGELOG-PRERELEASE.md b/CHANGELOG-PRERELEASE.md
index 794f27ce5..4ccfcfcae 100644
--- a/CHANGELOG-PRERELEASE.md
+++ b/CHANGELOG-PRERELEASE.md
@@ -11,6 +11,7 @@ The format is based on [Keep a Changelog].
 - PhysBone Optimization `#733`
   - Unnessesary isAnimated is now unconfigured
   - Floor Colliders with same configuration will be merged to one floor collider
+- Minimum Support for FinalIK `#735`
 
 ### Changed
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0f3ee3a6d..5be6172a5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,6 +25,7 @@ The format is based on [Keep a Changelog].
 - PhysBone Optimization `#733`
   - Unnessesary isAnimated is now unconfigured
   - Floor Colliders with same configuration will be merged to one floor collider
+- Minimum Support for FinalIK `#735`
 
 ### Changed
 - All logs passed to ErrorReport is now shown on the console log `#643`
diff --git a/Editor/APIInternal/ComponentInfos.DynamicBone.cs b/Editor/APIInternal/ComponentInfos.DynamicBone.cs
new file mode 100644
index 000000000..7e28e80ea
--- /dev/null
+++ b/Editor/APIInternal/ComponentInfos.DynamicBone.cs
@@ -0,0 +1,61 @@
+using System.Collections.Generic;
+using Anatawa12.AvatarOptimizer.API;
+using UnityEngine;
+
+namespace Anatawa12.AvatarOptimizer.APIInternal.Externals
+{
+    [ComponentInformationWithGUID("f9ac8d30c6a0d9642a11e5be4c440740", 11500000)]
+    internal class DynamicBoneInformation : ComponentInformation<Component>, IExternalMarker
+    {
+        protected override void CollectDependency(Component component, ComponentDependencyCollector collector)
+        {
+            collector.MarkHeavyBehaviour();
+
+            foreach (var transform in GetAffectedTransforms(component))
+            {
+                collector.AddDependency(transform, component)
+                    .EvenIfDependantDisabled()
+                    .OnlyIfTargetCanBeEnable();
+                collector.AddDependency(transform);
+            }
+
+            foreach (var collider in (IReadOnlyList<MonoBehaviour>)((dynamic)component).m_Colliders)
+            {
+                // DynamicBone ignores enabled/disabled of Collider Component AFAIK
+                collector.AddDependency(collider);
+            }
+        }
+
+        protected override void CollectMutations(Component component, ComponentMutationsCollector collector)
+        {
+            foreach (var transform in GetAffectedTransforms(component))
+                collector.TransformRotation(transform);
+        }
+
+        private static IEnumerable<Transform> GetAffectedTransforms(dynamic dynamicBone)
+        {
+            var ignores = new HashSet<Transform>(dynamicBone.m_Exclusions);
+            var queue = new Queue<Transform>();
+            Transform root = dynamicBone.m_Root;
+            queue.Enqueue(root ? root : (Transform)dynamicBone.transform);
+
+            while (queue.Count != 0)
+            {
+                var transform = queue.Dequeue();
+                yield return transform;
+
+                foreach (var child in transform.DirectChildrenEnumerable())
+                    if (!ignores.Contains(child))
+                        queue.Enqueue(child);
+            }
+        }
+    }
+
+    [ComponentInformationWithGUID("baedd976e12657241bf7ff2d1c685342", 11500000)]
+    internal class DynamicBoneColliderInformation : ComponentInformation<Component>, IExternalMarker
+    {
+        protected override void CollectDependency(Component component, ComponentDependencyCollector collector)
+        {
+        }
+    }
+}
\ No newline at end of file
diff --git a/Editor/APIInternal/ComponentInfos.DynamicBone.cs.meta b/Editor/APIInternal/ComponentInfos.DynamicBone.cs.meta
new file mode 100644
index 000000000..e5b821cf9
--- /dev/null
+++ b/Editor/APIInternal/ComponentInfos.DynamicBone.cs.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 141e8d70d6004da6ad46df6529ede586
+timeCreated: 1700527632
\ No newline at end of file
diff --git a/Editor/APIInternal/ComponentInfos.Externals.cs b/Editor/APIInternal/ComponentInfos.Externals.cs
index be105eeb3..4b722eec9 100644
--- a/Editor/APIInternal/ComponentInfos.Externals.cs
+++ b/Editor/APIInternal/ComponentInfos.Externals.cs
@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using Anatawa12.AvatarOptimizer.API;
 using UnityEngine;
 
@@ -14,65 +13,6 @@ internal interface IExternalMarker
     {
     }
 
-    #region Dynamic Bones
-
-    [ComponentInformationWithGUID("f9ac8d30c6a0d9642a11e5be4c440740", 11500000)]
-    internal class DynamicBoneInformation : ComponentInformation<Component>, IExternalMarker
-    {
-        protected override void CollectDependency(Component component, ComponentDependencyCollector collector)
-        {
-            collector.MarkHeavyBehaviour();
-
-            foreach (var transform in GetAffectedTransforms(component))
-            {
-                collector.AddDependency(transform, component)
-                    .EvenIfDependantDisabled()
-                    .OnlyIfTargetCanBeEnable();
-                collector.AddDependency(transform);
-            }
-
-            foreach (var collider in (IReadOnlyList<MonoBehaviour>)((dynamic)component).m_Colliders)
-            {
-                // DynamicBone ignores enabled/disabled of Collider Component AFAIK
-                collector.AddDependency(collider);
-            }
-        }
-
-        protected override void CollectMutations(Component component, ComponentMutationsCollector collector)
-        {
-            foreach (var transform in GetAffectedTransforms(component))
-                collector.TransformRotation(transform);
-        }
-
-        private static IEnumerable<Transform> GetAffectedTransforms(dynamic dynamicBone)
-        {
-            var ignores = new HashSet<Transform>(dynamicBone.m_Exclusions);
-            var queue = new Queue<Transform>();
-            Transform root = dynamicBone.m_Root;
-            queue.Enqueue(root ? root : (Transform)dynamicBone.transform);
-
-            while (queue.Count != 0)
-            {
-                var transform = queue.Dequeue();
-                yield return transform;
-
-                foreach (var child in transform.DirectChildrenEnumerable())
-                    if (!ignores.Contains(child))
-                        queue.Enqueue(child);
-            }
-        }
-    }
-
-    [ComponentInformationWithGUID("baedd976e12657241bf7ff2d1c685342", 11500000)]
-    internal class DynamicBoneColliderInformation : ComponentInformation<Component>, IExternalMarker
-    {
-        protected override void CollectDependency(Component component, ComponentDependencyCollector collector)
-        {
-        }
-    }
-
-    #endregion
-
     #region Satania's KiseteneEx Components
 
     [ComponentInformationWithGUID("e78466b6bcd24e5409dca557eb81d45b", 11500000)] // KiseteneComponent
diff --git a/Editor/APIInternal/ComponentInfos.FinalIK.cs b/Editor/APIInternal/ComponentInfos.FinalIK.cs
new file mode 100644
index 000000000..1e559a19d
--- /dev/null
+++ b/Editor/APIInternal/ComponentInfos.FinalIK.cs
@@ -0,0 +1,51 @@
+using Anatawa12.AvatarOptimizer.API;
+using UnityEditor;
+using UnityEngine;
+
+namespace Anatawa12.AvatarOptimizer.APIInternal.Externals
+{
+    // Currently implements ComponentInfo with low information so I assume all references are dependency and 
+    // All transforms will be rotated.
+
+    [ComponentInformationWithGUID("36737232c1e1646399fa0c8cbc087280", 11500000)] // "IKExecutionOrder"
+    [ComponentInformationWithGUID("bfac4fa329d1f4f23814af71a247c14b", 11500000)] // "VRIK",
+    [ComponentInformationWithGUID("a70e525c82ce9413fa4d940ad7fcf1db", 11500000)] // "FullBodyBipedIK"
+    [ComponentInformationWithGUID("4db3c450680fd4c809d5ad90a2f24e5f", 11500000)] // "LimbIK"
+    [ComponentInformationWithGUID("5013856973b27429d937d256dc082f2e", 11500000)] // "AimIK"
+    [ComponentInformationWithGUID("6d406d8b892f54ccaa5b0ef4de59944a", 11500000)] // "BipedIK"
+    [ComponentInformationWithGUID("65ace204533ef4c24ac80f11ef8ee8ea", 11500000)] // "GrounderIK"
+    [ComponentInformationWithGUID("6c72e1df647af4c0098866e944a04b01", 11500000)] // "GrounderFBBIK"
+    [ComponentInformationWithGUID("b7bc22c0304fa3d4086a2e8e451894ef", 11500000)] // "GrounderVRIK"
+    [ComponentInformationWithGUID("9823e47edf1dd40c29dfe0ba019f33a6", 11500000)] // "GrounderQuadruped"
+    [ComponentInformationWithGUID("e561d2b0d3d2241fd9bc4929a8f64b7f", 11500000)] // "TwistRelaxer"
+    [ComponentInformationWithGUID("a48af8ef2fd147446af3c65186a1cd9e", 11500000)] // "ShoulderRotator"
+    [ComponentInformationWithGUID("e6c4fa4d3ae33fb44b29d48945f7a129", 11500000)] // "FBBIKArmBending"
+    [ComponentInformationWithGUID("ebbd066464934494f896947690872ad4", 11500000)] // "FBBIKHeadEffector"
+    [ComponentInformationWithGUID("52af154b35b9e48af96507346dc649ba", 11500000)] // "FABRIK"
+    [ComponentInformationWithGUID("52af154b35b9e48af96507346dc649ba", 11500000)] // "FABRIK"
+    [ComponentInformationWithGUID("c9a2b10b17d604bb2a4d1bff880fc61a", 11500000)] // "FABRIKChain"
+    [ComponentInformationWithGUID("6fb82f19cc3ce412892b525300de1141", 11500000)] // "FABRIKRoot"
+    [ComponentInformationWithGUID("98b9a1a9e9a934b23a7db351dd9ec69e", 11500000)] // "CCDIK"
+    [ComponentInformationWithGUID("197a3a7b95f0e4ac48f171363db95b5b", 11500000)] // "RotationLimit"
+    [ComponentInformationWithGUID("484718f2c4ab849829491782b508958a", 11500000)] // "RotationLimitHinge"
+    [ComponentInformationWithGUID("dae00b1bdc58d499396776ce508a5078", 11500000)] // "RotationLimitPolygonal"
+    [ComponentInformationWithGUID("2ccb80eac3b2b4909a63c818e38ae6b8", 11500000)] // "RotationLimitSpline"
+    internal class FinalIKInformation : ComponentInformation<Component>, IExternalMarker
+    {
+        protected override void CollectDependency(Component component, ComponentDependencyCollector collector)
+        {
+            using (var serialized = new SerializedObject(component))
+                foreach (var property in serialized.ObjectReferenceProperties())
+                    if (property.objectReferenceValue is Component c)
+                        collector.AddDependency(c);
+        }
+
+        protected override void CollectMutations(Component component, ComponentMutationsCollector collector)
+        {
+            using (var serialized = new SerializedObject(component))
+                foreach (var property in serialized.ObjectReferenceProperties())
+                    if (property.objectReferenceValue is Transform t)
+                        collector.TransformRotation(t);
+        }
+    }
+}
diff --git a/Editor/APIInternal/ComponentInfos.FinalIK.cs.meta b/Editor/APIInternal/ComponentInfos.FinalIK.cs.meta
new file mode 100644
index 000000000..97d9a9dd1
--- /dev/null
+++ b/Editor/APIInternal/ComponentInfos.FinalIK.cs.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 78f3579c1d4e4d1e87d0449c4c9be7b8
+timeCreated: 1700528003
\ No newline at end of file