diff --git a/matrix_appservice_kakaotalk/kt/client/client.py b/matrix_appservice_kakaotalk/kt/client/client.py
index 6c4e268..444210c 100644
--- a/matrix_appservice_kakaotalk/kt/client/client.py
+++ b/matrix_appservice_kakaotalk/kt/client/client.py
@@ -355,6 +355,17 @@ class Client:
             chat_id=chat_id.serialize(),
         )
 
+    async def mark_read(
+        self,
+        channel_props: ChannelProps,
+        read_until_chat_id: Long,
+    ) -> None:
+        return await self._api_user_request_void(
+            "mark_read",
+            channel_props=channel_props.serialize(),
+            read_until_chat_id=read_until_chat_id.serialize(),
+        )
+
 
     # TODO Combine these into one
 
diff --git a/matrix_appservice_kakaotalk/matrix.py b/matrix_appservice_kakaotalk/matrix.py
index 3f6e9eb..472df1b 100644
--- a/matrix_appservice_kakaotalk/matrix.py
+++ b/matrix_appservice_kakaotalk/matrix.py
@@ -24,6 +24,7 @@ from mautrix.types import (
     EventType,
     ReactionEvent,
     ReactionEventContent,
+    ReceiptEvent,
     RedactionEvent,
     RelationType,
     RoomID,
@@ -32,6 +33,7 @@ from mautrix.types import (
 )
 
 from . import portal as po, user as u
+from .db import Message as DBMessage
 
 if TYPE_CHECKING:
     from .__main__ import KakaoTalkBridge
@@ -153,19 +155,16 @@ class MatrixHandler(BaseMatrixHandler):
         event_id: EventID,
         data: SingleReceiptEventContent,
     ) -> None:
-        self.log.info("TODO: handle_read_receipt")
-        """
-        if not user.mqtt:
+        if not user.is_connected:
             return
-        timestamp = data.get("ts", int(time.time() * 1000))
         message = await DBMessage.get_by_mxid(event_id, portal.mxid)
-        await user.mqtt.mark_read(
-            portal.ktid,
-            True, # TODO
-            #portal.fb_type != ThreadType.USER,
-            read_to=message.timestamp if message else timestamp,
-        )
-        """
+        await user.client.mark_read(portal.channel_props, message.ktid)
+
+    async def handle_ephemeral_event(
+        self, evt: ReceiptEvent | Event
+    ) -> None:
+        if evt.type == EventType.RECEIPT:
+            await self.handle_receipt(evt)
 
     async def handle_event(self, evt: Event) -> None:
         if evt.type == EventType.ROOM_REDACTION:
diff --git a/node/src/client.js b/node/src/client.js
index a74d8ca..0335885 100644
--- a/node/src/client.js
+++ b/node/src/client.js
@@ -605,6 +605,20 @@ export default class PeerClient {
 		})
 	}
 
+	/**
+	 * @param {Object} req
+	 * @param {string} req.mxid
+	 * @param {ChannelProps} req.channel_props
+	 * @param {Long} req.read_until_chat_id
+	 */
+	markRead = async (req) => {
+		const talkChannel = await this.#getUserChannel(req.mxid, req.channel_props)
+
+		return await talkChannel.markRead({
+			logId: req.read_until_chat_id,
+		})
+	}
+
 	#makeCommandResult(result) {
 		return {
 			success: true,