diff --git a/common/src/main/kotlin/space/mori/chzzk_bot/common/models/User.kt b/common/src/main/kotlin/space/mori/chzzk_bot/common/models/User.kt
index 6e2a01c..9a89717 100644
--- a/common/src/main/kotlin/space/mori/chzzk_bot/common/models/User.kt
+++ b/common/src/main/kotlin/space/mori/chzzk_bot/common/models/User.kt
@@ -27,6 +27,9 @@ class User(id: EntityID<Int>) : IntEntity(id) {
     var liveAlertChannel by Users.liveAlertChannel
     var liveAlertMessage by Users.liveAlertMessage
 
-    val managers by User.via(UserManagers.manager, UserManagers.user)
-    val subordinate by User.via(UserManagers.user, UserManagers.manager)
+    // 유저가 가진 매니저들
+    val managers by User.via(UserManagers.user, UserManagers.manager)
+
+    // 매니저가 관리하는 유저들
+    val subordinates by User.via(UserManagers.manager, UserManagers.user)
 }
\ No newline at end of file
diff --git a/webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/routes/ApiRoutes.kt b/webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/routes/ApiRoutes.kt
index 43fc987..939a06f 100644
--- a/webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/routes/ApiRoutes.kt
+++ b/webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/routes/ApiRoutes.kt
@@ -117,21 +117,23 @@ fun Routing.apiRoutes() {
                 songConfig.disabled
             ))
 
-            user.subordinate.forEach {
+            returnUsers.addAll(user.subordinates.map {
                 val subStatus = user.token?.let { it1 -> getStreamInfo(it1) }
-                if(it.token == null) return@forEach
-                if(subStatus?.content == null) return@forEach
-                returnUsers.add(GetSessionDTO(
-                    subStatus.content!!.channel.channelId,
-                    subStatus.content!!.channel.channelName,
-                    subStatus.content!!.status == "OPEN",
-                    subStatus.content!!.channel.channelImageUrl,
-                    0,
-                    0,
-                    false,
-                    false
-                ))
-            }
+                return@map if (it.token == null || subStatus?.content == null) {
+                    null
+                } else {
+                    GetSessionDTO(
+                        subStatus.content!!.channel.channelId,
+                        subStatus.content!!.channel.channelName,
+                        subStatus.content!!.status == "OPEN",
+                        subStatus.content!!.channel.channelImageUrl,
+                        0,
+                        0,
+                        false,
+                        false
+                    )
+                }
+            }.filterNotNull())
 
             call.respond(HttpStatusCode.OK, returnUsers)
         }