diff --git a/hwe/sammo/API/Message/GetOldMessage.php b/hwe/sammo/API/Message/GetOldMessage.php
new file mode 100644
index 00000000..36bbe2a2
--- /dev/null
+++ b/hwe/sammo/API/Message/GetOldMessage.php
@@ -0,0 +1,143 @@
+<?php
+
+namespace sammo\API\Message;
+
+use sammo\Session;
+use DateTimeInterface;
+use sammo\DB;
+use sammo\Enums\MessageType;
+use sammo\Json;
+use sammo\Message;
+use sammo\TimeUtil;
+use sammo\Util;
+use sammo\Validator;
+
+use function sammo\checkSecretPermission;
+
+class GetOldMessage extends \sammo\BaseAPI
+{
+  public function validateArgs(): ?string
+  {
+    $v = new Validator($this->args);
+    $v->rule('required', [
+      'sequence',
+      'type',
+    ])->rule('int', 'to')
+      ->rule('string', 'type');
+    if (!$v->validate()) {
+      return $v->errorStr();
+    }
+    $this->args['to'] = (int)($this->args['to'] ?? 0);
+    return null;
+  }
+
+  public function getRequiredSessionMode(): int
+  {
+    return static::REQ_GAME_LOGIN;
+  }
+
+  private function delayFrequentCall(Session $session): void
+  {
+    $lastMsgGet = Json::decode($session->lastMsgGet) ?? [];
+    $now = new \DateTimeImmutable();
+    $delayTime = false;
+
+    if (count($lastMsgGet) >= 10) {
+      try {
+        if (!is_string($lastMsgGet[0])) {
+          throw new \Exception('Why not string?');
+        }
+        $first = new \DateTimeImmutable($lastMsgGet[0]);
+        $diffSec = TimeUtil::DateIntervalToSeconds($first->diff($now));
+        if ($diffSec < 1) {
+          $delayTime = true;
+        }
+        array_shift($lastMsgGet);
+      } catch (\Exception $e) {
+        $lastMsgGet = [];
+      }
+    }
+    $lastMsgGet[] = TimeUtil::format($now, true);
+    $session->lastMsgGet = Json::encode($lastMsgGet);
+
+    if ($delayTime) {
+      usleep(200);
+    }
+  }
+
+  public function launch(Session $session, ?DateTimeInterface $modifiedSince, ?string $reqEtag)
+  {
+    $this->delayFrequentCall($session);
+    $session->setReadOnly();
+    $userID = $session->getUserID();
+
+
+
+    $db = DB::db();
+    $me = $db->queryFirstRow('SELECT `no`,`name`,`nation`,`officer_level`,`con`,`picture`,`imgsvr`,penalty,permission FROM general WHERE `owner`=%i', $userID);
+
+    if ($me === null) {
+      return '장수가 사망했습니다.';
+    }
+
+    [$generalID, $nationID, $generalName] = [$me['no'], $me['nation'], $me['name']];
+    $permission = checkSecretPermission($me, false);
+    $reqTo = $this->args['reqTo'];
+
+    $result = [
+      MessageType::private->value => [],
+      MessageType::public->value => [],
+      MessageType::national->value => [],
+      MessageType::diplomacy->value => [],
+      'result' => true,
+      'keepRecent' => true,
+      'sequence' => 0,
+      'nationID' => $nationID,
+      'generalName' => $generalName,
+    ];
+    $result['result'] = true;
+
+    $nextSequence = $reqTo;
+    $reqType = MessageType::tryFrom($this->args['type']);
+    if ($reqType === null) {
+      return '잘못된 요청입니다.';
+    }
+
+    if ($reqType === MessageType::private) {
+      $result[MessageType::private->value] = array_map(function (Message $msg) use (&$nextSequence) {
+        if ($msg->id > $nextSequence) {
+          $nextSequence = $msg->id;
+        }
+        return $msg->toArray();
+      }, Message::getMessagesFromMailBoxOld($generalID, MessageType::private, $reqTo, 15));
+    } else if ($reqType === MessageType::public) {
+      $result[MessageType::public->value] = array_map(function (Message $msg) use (&$nextSequence) {
+        if ($msg->id > $nextSequence) {
+          $nextSequence = $msg->id;
+        }
+        return $msg->toArray();
+      }, Message::getMessagesFromMailBoxOld(Message::MAILBOX_PUBLIC, MessageType::public, $reqTo, 15));
+    } else if ($reqType === MessageType::national) {
+      $result[MessageType::national->value] = array_map(function (Message $msg) use (&$nextSequence) {
+        if ($msg->id > $nextSequence) {
+          $nextSequence = $msg->id;
+        }
+        return $msg->toArray();
+      }, Message::getMessagesFromMailBoxOld(Message::MAILBOX_NATIONAL + $nationID, MessageType::national, $reqTo, 15));
+    } else {
+      $result[MessageType::diplomacy->value] = array_map(function (Message $msg) use (&$nextSequence, $permission) {
+        if ($msg->id > $nextSequence) {
+          $nextSequence = $msg->id;
+        }
+        $values = $msg->toArray();
+        if ($msg->dest->nationID != 0 && $permission < 3) {
+          $values['text'] = '(외교 메시지입니다)'; //TODO: 외교서신이라 읽을 수 없음을 보여줘야함
+          $values['option']['invalid'] = true;
+        }
+        return $values;
+      }, Message::getMessagesFromMailBoxOld(Message::MAILBOX_NATIONAL + $nationID, MessageType::diplomacy, $reqTo, 15));
+    }
+
+    return $result;
+  }
+}
diff --git a/hwe/ts/SammoAPI.ts b/hwe/ts/SammoAPI.ts
index 189523bd..3d361ce9 100644
--- a/hwe/ts/SammoAPI.ts
+++ b/hwe/ts/SammoAPI.ts
@@ -32,7 +32,7 @@ GetRecentRecordResponse,
 import type { CachedMapResult, GeneralListResponse, ItemTypeKey, MapResult } from "./defs";
 import type { VoteDetailResult, VoteListResult } from "./defs/API/Vote";
 import type { ActiveResourceAuctionList, OpenAuctionResponse, UniqueItemAuctionDetail, UniqueItemAuctionList } from "./defs/API/Auction";
-import type { MsgResponse } from "./defs/API/Message";
+import type { MsgResponse, MsgType } from "./defs/API/Message";
 
 const apiRealPath = {
   Auction: {
@@ -175,6 +175,10 @@ const apiRealPath = {
     GetRecentMessage: GET as APICallT<{
       sequence?: number;
     }, MsgResponse>,
+    GetOldMessage: GET as APICallT<{
+      to: number;
+      type: MsgType;
+    }, MsgResponse>,
   },
   Misc: {
     UploadImage: POST as APICallT<
diff --git a/hwe/ts/defs/API/Message.ts b/hwe/ts/defs/API/Message.ts
index b7c91efa..05725661 100644
--- a/hwe/ts/defs/API/Message.ts
+++ b/hwe/ts/defs/API/Message.ts
@@ -1,5 +1,3 @@
-import type { ValidResponse } from "@/util/callSammoAPI";
-
 export type MsgType = "private" | "public" | "national" | "diplomacy";
 
 export const minMsgSeq: Record<MsgType, number> = {