diff --git a/app/src/main/java/jp/juggler/subwaytooter/ItemViewHolder.kt b/app/src/main/java/jp/juggler/subwaytooter/ItemViewHolder.kt
index 9776ee47..1d8aa000 100644
--- a/app/src/main/java/jp/juggler/subwaytooter/ItemViewHolder.kt
+++ b/app/src/main/java/jp/juggler/subwaytooter/ItemViewHolder.kt
@@ -1191,7 +1191,7 @@ internal class ItemViewHolder(
 				enlargeEmoji = 1.5f,
 				enlargeCustomEmoji = 1.5f
 			)
-			val ssb = MisskeyReaction.toSpannableStringBuilder(misskeyReaction,options)
+			val ssb = MisskeyReaction.toSpannableStringBuilder(misskeyReaction,options,boost_status)
 			ssb.append(" ")
 			ssb.append(who.decodeDisplayName(activity)
 				.intoStringResource(activity, string_id))
@@ -2546,7 +2546,7 @@ internal class ItemViewHolder(
 				val key = entry.key
 				val count = entry.value
 				if(count <= 0) continue
-				val ssb = MisskeyReaction.toSpannableStringBuilder(key,options)
+				val ssb = MisskeyReaction.toSpannableStringBuilder(key,options,status)
 					.also{ it.append(" $count")}
 
 				val b = Button(activity).apply {
@@ -2599,7 +2599,7 @@ internal class ItemViewHolder(
 		llExtra.addView(box)
 	}
 	
-	private fun addReaction(status : TootStatus, codeArg : String?) {
+	private fun addReaction(status : TootStatus, code : String?) {
 		
 		if(status.myReaction?.isNotEmpty() == true) {
 			activity.showToast(false, R.string.already_reactioned)
@@ -2608,7 +2608,7 @@ internal class ItemViewHolder(
 		
 		if(access_info.isPseudo || ! access_info.isMisskey) return
 		
-		if(codeArg == null) {
+		if(code == null) {
 			EmojiPicker(activity, access_info,closeOnSelected = true) { name, instance, _, _, _ ->
 				val item = EmojiMap.sShortNameToEmojiInfo[name]
 				val code = if(item == null || instance != null) {
@@ -2636,12 +2636,8 @@ internal class ItemViewHolder(
 		TootTaskRunner(activity, progress_style = TootTaskRunner.PROGRESS_NONE).run(access_info,
 			object : TootTask {
 
-				var code :String = codeArg
-
 				override suspend fun background(client : TootApiClient) : TootApiResult? {
 
-					code = MisskeyReaction.toLegacyReaction(client,code)
-
 					val params = access_info.putMisskeyApiToken().apply {
 						put("noteId", status.id.toString())
 						put("reaction", code)
diff --git a/app/src/main/java/jp/juggler/subwaytooter/action/Action_Toot.kt b/app/src/main/java/jp/juggler/subwaytooter/action/Action_Toot.kt
index 6fb1d857..aa596090 100644
--- a/app/src/main/java/jp/juggler/subwaytooter/action/Action_Toot.kt
+++ b/app/src/main/java/jp/juggler/subwaytooter/action/Action_Toot.kt
@@ -1309,7 +1309,7 @@ object Action_Toot {
 		nCrossAccountMode: Int,
 		callback: () -> Unit,
 		bSet: Boolean = true,
-		codeArg: String? = null
+		code: String? = null
 	) {
         if (access_info.isPseudo || !access_info.isMisskey) return
 
@@ -1319,34 +1319,31 @@ object Action_Toot {
             return
         }
 
-        if (codeArg == null) {
-            if (bSet)
-                EmojiPicker(activity, access_info, closeOnSelected = true) { name, instance, _, _, _ ->
-                    val item = EmojiMap.sShortNameToEmojiInfo[name]
-                    val newCode = if (item == null || instance != null) {
-                        ":$name:"
-                    } else {
-                        item.unified
-                    }
-                    reaction(
-						activity,
-						access_info,
-						arg_status,
-						status_owner_acct,
-						nCrossAccountMode,
-						callback,
-						bSet,
-						newCode
-					)
-                }.show()
+        if (code == null) {
+			if (!bSet) error("will not happen")
+			EmojiPicker(activity, access_info, closeOnSelected = true) { name, instance, _, _, _ ->
+				val item = EmojiMap.sShortNameToEmojiInfo[name]
+				val newCode = if (item == null || instance != null) {
+					":$name:"
+				} else {
+					item.unified
+				}
+				reaction(
+					activity,
+					access_info,
+					arg_status,
+					status_owner_acct,
+					nCrossAccountMode,
+					callback,
+					bSet,
+					newCode
+				)
+			}.show()
             return
         }
 
-
         TootTaskRunner(activity, TootTaskRunner.PROGRESS_NONE).run(access_info, object : TootTask {
 
-			var code: String = codeArg
-
 			override suspend fun background(client: TootApiClient): TootApiResult? {
 
 				val target_status = if (nCrossAccountMode == CROSS_ACCOUNT_REMOTE_INSTANCE) {
@@ -1378,8 +1375,6 @@ object Action_Toot {
 					// 成功すると204 no content
 				} else {
 
-					code = MisskeyReaction.toLegacyReaction(client, code)
-
 					client.request(
 						"/api/notes/reactions/create",
 						access_info.putMisskeyApiToken().apply {
@@ -1433,7 +1428,7 @@ object Action_Toot {
 				status_owner,
 				calcCrossAccountMode(timeline_account, action_account),
 				activity.reaction_complete_callback,
-				codeArg = code
+				code = code
 			)
         }
     }
diff --git a/app/src/main/java/jp/juggler/subwaytooter/api/entity/MisskeyReaction.kt b/app/src/main/java/jp/juggler/subwaytooter/api/entity/MisskeyReaction.kt
index bd92f8b0..1fff1375 100644
--- a/app/src/main/java/jp/juggler/subwaytooter/api/entity/MisskeyReaction.kt
+++ b/app/src/main/java/jp/juggler/subwaytooter/api/entity/MisskeyReaction.kt
@@ -1,15 +1,9 @@
 package jp.juggler.subwaytooter.api.entity
 
-import android.graphics.drawable.PictureDrawable
 import android.text.Spannable
 import android.text.SpannableStringBuilder
-import android.widget.ImageView
-import com.bumptech.glide.Glide
-import jp.juggler.emoji.EmojiMap
-import jp.juggler.subwaytooter.ActMain
 import jp.juggler.subwaytooter.App1
 import jp.juggler.subwaytooter.Pref
-import jp.juggler.subwaytooter.api.TootApiClient
 import jp.juggler.subwaytooter.span.NetworkEmojiSpan
 import jp.juggler.subwaytooter.table.SavedAccount
 import jp.juggler.subwaytooter.util.DecodeOptions
@@ -46,51 +40,58 @@ object MisskeyReaction {
 		"star" to "\u2B50", // リモートからのFavを示す代替リアクション。ピッカーには表示しない
 	)
 
-    fun toSpannableStringBuilder(code: String, options: DecodeOptions): SpannableStringBuilder {
+	private val reCustomEmoji = """\A:([^:]+):\z""".toRegex()
+
+    fun toSpannableStringBuilder(
+		code: String,
+		options: DecodeOptions,
+		status:TootStatus?
+	): SpannableStringBuilder {
+
         // 古い形式の絵文字はUnicode絵文字にする
         oldReactions[code]?.let {
             return EmojiDecoder.decodeEmoji(options, it)
         }
 
-        // カスタム絵文字
-        val customCode = code.replace(":", "")
-        if (customCode != code) {
-			val accessInfo = options.linkHelper as? SavedAccount
-			if (accessInfo != null) {
-				val emojiUrl =
-					App1.custom_emoji_lister
-						.getMap(accessInfo)
-						?.get(customCode)
-						?.let {
-							if (Pref.bpDisableEmojiAnimation(App1.pref)) {
-								it.static_url
-							} else {
-								it.url
-							}
-						}
-				if (emojiUrl != null)
-					return SpannableStringBuilder(code).apply {
-						setSpan(
-							NetworkEmojiSpan(emojiUrl, scale = options.enlargeCustomEmoji),
-							0,
-							length,
-							Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
-						)
-					}
-
+		fun CustomEmoji.toSpannableStringBuilder():SpannableStringBuilder?{
+			return if (Pref.bpDisableEmojiAnimation(App1.pref)) {
+				static_url
+			} else {
+				url
+			}?.let{
+				SpannableStringBuilder(code).apply {
+					setSpan(
+						NetworkEmojiSpan(it, scale = options.enlargeCustomEmoji),
+						0,
+						length,
+						Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
+					)
+				}
 			}
 		}
+
+		// カスタム絵文字
+		val customCode = reCustomEmoji.find(code)?.groupValues?.elementAtOrNull(1)
+		if(customCode != null){
+			var ce = status?.custom_emojis?.get( customCode)
+			if(ce != null) return ce.toSpannableStringBuilder()?: EmojiDecoder.decodeEmoji(options, code)
+
+			val accessInfo = options.linkHelper as? SavedAccount
+
+			val cols = customCode.split("@",limit = 2)
+			val key = cols.elementAtOrNull(0)
+			val domain = cols.elementAtOrNull(1)
+			if( domain == null || domain=="" || domain=="." || domain == accessInfo?.apiHost?.ascii ){
+				if( accessInfo != null){
+					ce = App1.custom_emoji_lister
+						.getMap(accessInfo)
+						?.get(key)
+					if(ce != null) return ce.toSpannableStringBuilder()?: EmojiDecoder.decodeEmoji(options, code)
+				}
+			}
+		}
+
 		// unicode絵文字、もしくは :xxx: などのshortcode表現
 		return EmojiDecoder.decodeEmoji(options, code)
     }
-
-	// Misskey v12 未満はレガシーなリアクションを送ることになる
-	suspend fun toLegacyReaction(client: TootApiClient, code: String): String {
-		val(ti,ri) = TootInstance.get(client)
-		if(ti!=null && ! ti.versionGE(TootInstance.MISSKEY_VERSION_12)){
-			val entry = oldReactions.entries.firstOrNull { it.value == code }
-			if( entry != null && entry.key != "star") return entry.key
-		}
-		return code
-	}
 }
diff --git a/app/src/main/java/jp/juggler/subwaytooter/api/entity/TootStatus.kt b/app/src/main/java/jp/juggler/subwaytooter/api/entity/TootStatus.kt
index cd0896bd..2e6e0d8c 100644
--- a/app/src/main/java/jp/juggler/subwaytooter/api/entity/TootStatus.kt
+++ b/app/src/main/java/jp/juggler/subwaytooter/api/entity/TootStatus.kt
@@ -20,6 +20,7 @@ import java.util.regex.Pattern
 import kotlin.collections.ArrayList
 import kotlin.collections.LinkedHashMap
 import kotlin.math.abs
+import kotlin.math.max
 import kotlin.math.min
 
 class FilterTrees(
@@ -927,6 +928,18 @@ class TootStatus(parser: TootParser, src: JsonObject) : TimelineItem() {
         return list
     }
 
+	private fun getAnotherReactionExpression(reaction:String):String{
+		// :reaction: => reaction
+		// :reaction@xxx: => reaction@xxx
+		val customCode = reaction.replace(":","")
+
+		// reaction => :reaction@.:
+		return if( customCode != reaction && !customCode.contains("@"))
+			":${customCode}@.:"
+		else
+			reaction
+	}
+
     // return true if updated
     fun increaseReaction(reaction: String?, byMe: Boolean, caller: String): Boolean {
         reaction ?: return false
@@ -948,8 +961,17 @@ class TootStatus(parser: TootParser, src: JsonObject) : TimelineItem() {
                 map = LinkedHashMap()
                 this.reactionCounts = map
             }
-            map[reaction] = (map[reaction] ?: 0) + 1
 
+
+			val anotherExpression = getAnotherReactionExpression(reaction)
+
+			for( entry in map){
+				if( entry.key == reaction || entry.key == anotherExpression){
+					map[entry.key] = entry.value +1
+					return true
+				}
+			}
+            map[reaction] = 1
             return true
         }
     }
@@ -975,8 +997,16 @@ class TootStatus(parser: TootParser, src: JsonObject) : TimelineItem() {
                 map = LinkedHashMap()
                 this.reactionCounts = map
             }
-            map[reaction] = (map[reaction] ?: 1) - 1
 
+			val anotherExpression = getAnotherReactionExpression(reaction)
+
+			for( entry in map){
+				if( entry.key == reaction || entry.key == anotherExpression){
+					map[entry.key] = max(0,entry.value -1)
+					return true
+				}
+			}
+			map[reaction] = 0
             return true
         }
     }