diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorDescription.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorDescription.kt
index 3d734d97..7bc487a1 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorDescription.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorDescription.kt
@@ -16,8 +16,10 @@
 
 package dev.usbharu.hideout.core.domain.model.actor
 
-@JvmInline
-value class ActorDescription(val description: String) {
+
+class ActorDescription(description: String) {
+    val description: String = description.take(length)
+
     companion object {
         val length = 10000
         val empty = ActorDescription("")
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorName.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorName.kt
index d65cd986..6819fc8e 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorName.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorName.kt
@@ -18,8 +18,14 @@ package dev.usbharu.hideout.core.domain.model.actor
 
 @JvmInline
 value class ActorName(val name: String) {
+    init {
+        require(name.isNotBlank())
+        require(name.length <= length)
+        require(regex.matches(name))
+    }
 
     companion object {
         val length = 300
+        private val regex = Regex("^[a-zA-Z0-9_-]{1,$length}\$")
     }
 }
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorPostsCount.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorPostsCount.kt
index e24819e4..8c344c05 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorPostsCount.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorPostsCount.kt
@@ -22,9 +22,6 @@ value class ActorPostsCount(val postsCount: Int) {
         require(0 <= this.postsCount) { "Posts count must be greater than 0" }
     }
 
-    operator fun inc() = ActorPostsCount(postsCount + 1)
-    operator fun dec() = ActorPostsCount(postsCount - 1)
-
     companion object {
         val ZERO = ActorPostsCount(0)
     }
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorRelationshipCount.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorRelationshipCount.kt
index 7543996d..e21b75f4 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorRelationshipCount.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorRelationshipCount.kt
@@ -21,7 +21,4 @@ value class ActorRelationshipCount(val relationshipCount: Int) {
     init {
         require(0 <= relationshipCount) { "Followers count must be > 0" }
     }
-
-    operator fun inc(): ActorRelationshipCount = ActorRelationshipCount(relationshipCount + 1)
-    operator fun dec(): ActorRelationshipCount = ActorRelationshipCount(relationshipCount - 1)
 }
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorScreenName.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorScreenName.kt
index 343e8f8a..4f7a8aed 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorScreenName.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorScreenName.kt
@@ -16,8 +16,11 @@
 
 package dev.usbharu.hideout.core.domain.model.actor
 
-@JvmInline
-value class ActorScreenName(val screenName: String) {
+
+class ActorScreenName(screenName: String) {
+
+    val screenName: String = screenName.take(length)
+
     companion object {
         val length = 300
         val empty = ActorScreenName("")
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/shared/Domain.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/shared/Domain.kt
index 7ac333af..963c2574 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/shared/Domain.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/shared/Domain.kt
@@ -18,6 +18,10 @@ package dev.usbharu.hideout.core.domain.model.shared
 
 @JvmInline
 value class Domain(val domain: String) {
+    init {
+        require(domain.length <= length)
+    }
+
     companion object {
         val length = 1000
     }
diff --git a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorNameTest.kt b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorNameTest.kt
new file mode 100644
index 00000000..477f799d
--- /dev/null
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorNameTest.kt
@@ -0,0 +1,35 @@
+package dev.usbharu.hideout.core.domain.model.actor
+
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.assertDoesNotThrow
+import org.junit.jupiter.api.assertThrows
+
+class ActorNameTest {
+    @Test
+    fun blankはダメ() {
+        assertThrows<IllegalArgumentException> {
+            ActorName("")
+        }
+    }
+
+    @Test
+    fun 長過ぎるとダメ() {
+        assertThrows<IllegalArgumentException> {
+            ActorName("a".repeat(1000))
+        }
+    }
+
+    @Test
+    fun 指定外の文字は使えない() {
+        assertThrows<IllegalArgumentException> {
+            ActorName("あ")
+        }
+    }
+
+    @Test
+    fun 普通に作成できる() {
+        assertDoesNotThrow {
+            ActorName("test-user")
+        }
+    }
+}
\ No newline at end of file
diff --git a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorScreenNameTest.kt b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorScreenNameTest.kt
index febff754..163dbaf3 100644
--- a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorScreenNameTest.kt
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorScreenNameTest.kt
@@ -1,5 +1,13 @@
 package dev.usbharu.hideout.core.domain.model.actor
 
-class ActorScreenNameTest {
+import org.junit.jupiter.api.Test
+import kotlin.test.assertEquals
 
+class ActorScreenNameTest {
+    @Test
+    fun screenNameがlengthを超えると無視される() {
+        val actorScreenName = ActorScreenName("a".repeat(1000))
+
+        assertEquals(ActorScreenName.length, actorScreenName.screenName.length)
+    }
 }
\ No newline at end of file
diff --git a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorsTest.kt b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorsTest.kt
index 3a65d48f..d35fb0f8 100644
--- a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorsTest.kt
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorsTest.kt
@@ -1,9 +1,53 @@
 package dev.usbharu.hideout.core.domain.model.actor
 
+import dev.usbharu.hideout.core.domain.event.actor.ActorEvent
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.assertThrows
+import utils.AssertDomainEvent.assertContainsEvent
+import utils.AssertDomainEvent.assertEmpty
+import kotlin.test.assertEquals
+import kotlin.test.assertFalse
+import kotlin.test.assertNull
 
 class ActorsTest {
+    @Test
+    fun suspendがtrueのときactorSuspendイベントが発生する() {
+        val actor = TestActor2Factory.create(publicKey = ActorPublicKey(""))
+
+        actor.suspend = true
+
+        assertContainsEvent(actor, ActorEvent.actorSuspend.eventName)
+    }
+
+    @Test
+    fun suspendがfalseになったときactorUnsuspendイベントが発生する() {
+        val actor = TestActor2Factory.create(publicKey = ActorPublicKey(""), suspend = true)
+
+        actor.suspend = false
+
+        assertContainsEvent(actor, ActorEvent.actorUnsuspend.eventName)
+    }
+
+    @Test
+    fun alsoKnownAsに自分自身が含まれない場合更新される() {
+        val actor = TestActor2Factory.create(publicKey = ActorPublicKey(""))
+
+        val actorIds = setOf(ActorId(100), ActorId(200))
+        actor.alsoKnownAs = actorIds
+
+        assertEquals(actorIds, actor.alsoKnownAs)
+    }
+
+    @Test
+    fun moveToに自分自身が設定された場合moveイベントが発生し更新される() {
+        val actor = TestActor2Factory.create(publicKey = ActorPublicKey(""))
+
+
+        actor.moveTo = ActorId(100)
+
+        assertContainsEvent(actor, ActorEvent.move.eventName)
+    }
+
     @Test
     fun alsoKnownAsに自分自身が含まれてはいけない() {
         val actor = TestActor2Factory.create(publicKey = ActorPublicKey(""))
@@ -22,5 +66,65 @@ class ActorsTest {
         }
     }
 
+    @Test
+    fun descriptionが更新されたときupdateイベントが発生する() {
+        val actor = TestActor2Factory.create(publicKey = ActorPublicKey(""))
 
+        actor.description = ActorDescription("hoge fuga")
+
+        assertContainsEvent(actor, ActorEvent.update.eventName)
+    }
+
+    @Test
+    fun screenNameが更新されたときupdateイベントが発生する() {
+        val actor = TestActor2Factory.create(publicKey = ActorPublicKey(""))
+
+        actor.screenName = ActorScreenName("fuga hoge")
+
+        assertContainsEvent(actor, ActorEvent.update.eventName)
+    }
+
+    @Test
+    fun deleteが実行されたときすでにdeletedがtrueなら何もしない() {
+        val actor = TestActor2Factory.create(publicKey = ActorPublicKey(""), deleted = true)
+
+        actor.delete()
+
+        assertEmpty(actor)
+    }
+
+    @Test
+    fun deleteが実行されたときdeletedがfalseならdeleteイベントが発生する() {
+        val actor = TestActor2Factory.create(publicKey = ActorPublicKey(""))
+
+        actor.delete()
+
+        assertEquals(ActorScreenName.empty, actor.screenName)
+        assertEquals(ActorDescription.empty, actor.description)
+        assertEquals(emptySet(), actor.emojis)
+        assertNull(actor.lastPostAt)
+        assertEquals(ActorPostsCount.ZERO, actor.postsCount)
+        assertNull(actor.followersCount)
+        assertNull(actor.followingCount)
+        assertContainsEvent(actor, ActorEvent.delete.eventName)
+    }
+
+    @Test
+    fun restoreが実行されたときcheckUpdateイベントが発生する() {
+        val actor = TestActor2Factory.create(publicKey = ActorPublicKey(""), deleted = true)
+
+        actor.restore()
+
+        assertFalse(actor.deleted)
+        assertContainsEvent(actor, ActorEvent.checkUpdate.eventName)
+    }
+
+    @Test
+    fun checkUpdateが実行されたときcheckUpdateイベントがh() {
+        val actor = TestActor2Factory.create(publicKey = ActorPublicKey(""))
+
+        actor.checkUpdate()
+
+        assertContainsEvent(actor, ActorEvent.checkUpdate.eventName)
+    }
 }
\ No newline at end of file
diff --git a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/TestActor2Factory.kt b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/TestActor2Factory.kt
index 220b4056..217fb36b 100644
--- a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/TestActor2Factory.kt
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/TestActor2Factory.kt
@@ -54,8 +54,8 @@ object TestActor2Factory {
                 keyId = ActorKeyId(keyId),
                 followersEndpoint = followersEndpoint,
                 followingEndpoint = followingEndpoint,
-                InstanceId(instanceId),
-                locked,
+                instance = InstanceId(instanceId),
+                locked = locked,
                 followersCount = ActorRelationshipCount(followersCount),
                 followingCount = ActorRelationshipCount(followingCount),
                 postsCount = ActorPostsCount(postCount),
diff --git a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/post/PostTest.kt b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/post/PostTest.kt
new file mode 100644
index 00000000..b14d9bbe
--- /dev/null
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/post/PostTest.kt
@@ -0,0 +1,10 @@
+package dev.usbharu.hideout.core.domain.model.post
+
+import org.junit.jupiter.api.Test
+
+class PostTest {
+    @Test
+    fun deletedがtrueのときghostのidが返される() {
+
+    }
+}
\ No newline at end of file
diff --git a/hideout-core/src/test/kotlin/utils/AssertDomainEvent.kt b/hideout-core/src/test/kotlin/utils/AssertDomainEvent.kt
new file mode 100644
index 00000000..d1d2c049
--- /dev/null
+++ b/hideout-core/src/test/kotlin/utils/AssertDomainEvent.kt
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2024 usbharu
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package utils
+
+import dev.usbharu.hideout.core.domain.shared.domainevent.DomainEventStorable
+
+object AssertDomainEvent {
+    fun assertContainsEvent(domainEventStorable: DomainEventStorable, eventName: String) {
+        val find = domainEventStorable.getDomainEvents().find { it.name == eventName }
+
+        if (find == null) {
+            throw AssertionError("Domain Event not found: $eventName")
+        }
+    }
+
+    fun assertEmpty(domainEventStorable: DomainEventStorable) {
+        if (domainEventStorable.getDomainEvents().isNotEmpty()) {
+            throw AssertionError("Domain Event found")
+        }
+    }
+}
\ No newline at end of file