diff --git a/src/main/kotlin/io/github/bluesheep2804/selenechat/command/JapanizeCommand.kt b/src/main/kotlin/io/github/bluesheep2804/selenechat/command/JapanizeCommand.kt
index ddca5f1..a75e1eb 100644
--- a/src/main/kotlin/io/github/bluesheep2804/selenechat/command/JapanizeCommand.kt
+++ b/src/main/kotlin/io/github/bluesheep2804/selenechat/command/JapanizeCommand.kt
@@ -1,7 +1,7 @@
 package io.github.bluesheep2804.selenechat.command
 
+import io.github.bluesheep2804.selenechat.SeleneChat.resource
 import io.github.bluesheep2804.selenechat.player.SeleneChatPlayer
-import net.kyori.adventure.text.Component
 
 class JapanizeCommand : ICommand {
     override val COMMAND_NAME: String = JapanizeCommand.COMMAND_NAME
@@ -9,13 +9,27 @@ class JapanizeCommand : ICommand {
     override val PERMISSION: String = JapanizeCommand.PERMISSION
 
     override fun execute(sender: SeleneChatPlayer, args: Array<String>): Boolean {
-        sender.toggleJapanize()
-        sender.sendMessage(Component.text(sender.isEnabledJapanize))
+        if (args.isEmpty()) {
+            sender.sendMessage(resource.command.japanizeSuccessCurrentValueComponent(sender.isEnabledJapanize))
+        } else {
+            if (args[0] == "on") {
+                sender.enableJapanize()
+            } else if (args[0] == "off") {
+                sender.disableJapanize()
+            } else {
+                sender.sendMessage(resource.command.japanizeErrorUnexpectedArgs)
+                return false
+            }
+            sender.sendMessage(resource.command.japanizeSuccessChangedComponent(sender.isEnabledJapanize))
+        }
         return true
     }
 
     override fun suggest(sender: SeleneChatPlayer, args: Array<String>): List<String> {
-        return emptyList()
+        return when (args.size) {
+            1 -> listOf("on", "off")
+            else -> emptyList()
+        }
     }
 
     companion object {
diff --git a/src/main/kotlin/io/github/bluesheep2804/selenechat/resource/CommandResourceData.kt b/src/main/kotlin/io/github/bluesheep2804/selenechat/resource/CommandResourceData.kt
index be620db..56e1583 100644
--- a/src/main/kotlin/io/github/bluesheep2804/selenechat/resource/CommandResourceData.kt
+++ b/src/main/kotlin/io/github/bluesheep2804/selenechat/resource/CommandResourceData.kt
@@ -1,5 +1,6 @@
 package io.github.bluesheep2804.selenechat.resource
 
+import io.github.bluesheep2804.selenechat.SeleneChat
 import kotlinx.serialization.Serializable
 import net.kyori.adventure.text.Component
 import net.kyori.adventure.text.format.NamedTextColor
@@ -16,11 +17,35 @@ data class CommandResourceData(
         @Serializable(with = ComponentSerializer::class)
         val selenechatErrorSubCommandEmpty: Component = Component.text("empty", NamedTextColor.RED),  // TODO: 後で書き直す
         @Serializable(with = ComponentSerializer::class)
-        val selenechatSuccessReload: Component = Component.text("reloaded!")  // TODO: 書き直す
+        val selenechatSuccessReload: Component = Component.text("reloaded!"),  // TODO: 書き直す
+        @Serializable(with = ComponentSerializer::class)
+        val japanizeErrorUnexpectedArgs: Component = Component.text("The argument must be one of [on, off].", NamedTextColor.RED),
+        val japanizeSuccessCurrentValue: String = "Your Japanize conversion is currently set to <value>.",
+        val japanizeSuccessChanged: String = "Your Japanize conversion is set to <value>."
 ) {
     fun messageErrorPlayerNotFoundComponent(playerName: String): Component {
         val mm = MiniMessage.miniMessage()
         val playerTagResolver = Placeholder.component("player", Component.text(playerName))
         return mm.deserialize(messageErrorPlayerNotFound, playerTagResolver)
     }
+    fun japanizeSuccessCurrentValueComponent(value: Boolean): Component {
+        val mm = MiniMessage.miniMessage()
+        val valueComponent = if (value) {
+            SeleneChat.resource.enabled
+        } else {
+            SeleneChat.resource.disabled
+        }
+        val valueTagResolver = Placeholder.component("value", valueComponent)
+        return mm.deserialize(japanizeSuccessCurrentValue, valueTagResolver)
+    }
+    fun japanizeSuccessChangedComponent(value: Boolean): Component {
+        val mm = MiniMessage.miniMessage()
+        val valueComponent = if (value) {
+            SeleneChat.resource.enabled
+        } else {
+            SeleneChat.resource.disabled
+        }
+        val valueTagResolver = Placeholder.component("value", valueComponent)
+        return mm.deserialize(japanizeSuccessChanged, valueTagResolver)
+    }
 }
diff --git a/src/main/kotlin/io/github/bluesheep2804/selenechat/resource/ResourceData.kt b/src/main/kotlin/io/github/bluesheep2804/selenechat/resource/ResourceData.kt
index 2e1ae36..7cd398f 100644
--- a/src/main/kotlin/io/github/bluesheep2804/selenechat/resource/ResourceData.kt
+++ b/src/main/kotlin/io/github/bluesheep2804/selenechat/resource/ResourceData.kt
@@ -2,6 +2,7 @@ package io.github.bluesheep2804.selenechat.resource
 
 import kotlinx.serialization.Serializable
 import net.kyori.adventure.text.Component
+import net.kyori.adventure.text.format.NamedTextColor
 
 @Serializable
 data class ResourceData(
@@ -9,6 +10,10 @@ data class ResourceData(
         val configVersionNewer: String = "The config file has been created with a newer version than the current one. The config file will be loaded, but unexpected glitches may occur.",
         val configVersionLatest: String = "The config file is up-to-date!",
         @Serializable(with = ComponentSerializer::class)
+        val enabled: Component = Component.text("Enabled", NamedTextColor.GREEN),
+        @Serializable(with = ComponentSerializer::class)
+        val disabled: Component = Component.text("Disabled", NamedTextColor.RED),
+        @Serializable(with = ComponentSerializer::class)
         val hoverTextServer: Component = Component.translatable("selectServer.select"),
         val command: CommandResourceData = CommandResourceData()
 )