diff --git a/src/main/kotlin/dev/t7e/mechatechkt/Main.kt b/src/main/kotlin/dev/t7e/mechatechkt/Main.kt
index 7211d62..95cc07a 100644
--- a/src/main/kotlin/dev/t7e/mechatechkt/Main.kt
+++ b/src/main/kotlin/dev/t7e/mechatechkt/Main.kt
@@ -13,6 +13,7 @@ import dev.t7e.mechatechkt.commands.ProgressReportCommand
 import dev.t7e.mechatechkt.commands.WhereOJTChannelCommand
 import dev.t7e.mechatechkt.config.BotConfig
 import dev.t7e.mechatechkt.config.BotStatus
+import dev.t7e.mechatechkt.unit.CleanUp
 import dev.t7e.mechatechkt.unit.ProgressReport
 
 lateinit var client: Kord
@@ -52,6 +53,8 @@ suspend fun main(args: Array<String>) {
 
     //  schedule progress report
     ProgressReport.scheduleProgressReport()
+    //  schedule clean up
+    CleanUp.scheduleCleanUp()
     
     //  start bot
     client.login {
diff --git a/src/main/kotlin/dev/t7e/mechatechkt/config/BotStatus.kt b/src/main/kotlin/dev/t7e/mechatechkt/config/BotStatus.kt
index 1ca4675..b0006be 100644
--- a/src/main/kotlin/dev/t7e/mechatechkt/config/BotStatus.kt
+++ b/src/main/kotlin/dev/t7e/mechatechkt/config/BotStatus.kt
@@ -13,6 +13,7 @@ import java.io.File
 @Serializable
 data class BotStatus(
     var progressReportChannel: ULong = "0".toULong(),
+    var cleanUpChannel: ULong = "0".toULong(),
     var enabledProgressReport: Boolean = "false".toBoolean()
 ) {
     companion object {
diff --git a/src/main/kotlin/dev/t7e/mechatechkt/unit/CleanUp.kt b/src/main/kotlin/dev/t7e/mechatechkt/unit/CleanUp.kt
new file mode 100644
index 0000000..297c1aa
--- /dev/null
+++ b/src/main/kotlin/dev/t7e/mechatechkt/unit/CleanUp.kt
@@ -0,0 +1,64 @@
+package dev.t7e.mechatechkt.unit
+
+import dev.kord.common.entity.Snowflake
+import dev.kord.core.behavior.channel.asChannelOf
+import dev.kord.core.behavior.channel.asChannelOfOrNull
+import dev.kord.core.entity.channel.TextChannel
+import dev.t7e.mechatechkt.client
+import dev.t7e.mechatechkt.config.BotStatus
+import kotlinx.coroutines.DelicateCoroutinesApi
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import java.time.LocalDate
+import java.time.format.DateTimeFormatter
+import java.util.*
+import java.util.concurrent.TimeUnit
+import kotlin.concurrent.timerTask
+
+/**
+ * Created by testusuke on 2023/08/19
+ * @author testusuke
+ */
+object CleanUp {
+
+    private suspend fun TextChannel.postCleanUp() {
+        val message = this.createMessage("ちゃんと掃除してる？^^\n誰か写真あげてよ :eyes:")
+    }
+
+    @OptIn(DelicateCoroutinesApi::class)
+    fun scheduleCleanUp() {
+        val timer = Timer()
+
+        val task = timerTask {
+            //  check enabled
+            if (!BotStatus.config.enabledProgressReport) return@timerTask
+
+            GlobalScope.launch {
+                //  check today is not weekend
+                val today = Calendar.getInstance().get(Calendar.DAY_OF_WEEK)
+                if (today != Calendar.SATURDAY && today != Calendar.SUNDAY) {
+                    //  get channel
+                    val channel = client.getChannel(Snowflake(BotStatus.config.cleanUpChannel))
+                    //  post
+                    channel?.asChannelOf<TextChannel>()?.postCleanUp()
+                }
+            }
+        }
+
+        val now = Calendar.getInstance()
+        val runTime = Calendar.getInstance().apply {
+            set(Calendar.HOUR_OF_DAY, 17)
+            set(Calendar.MINUTE, 50)
+            set(Calendar.SECOND, 0)
+        }
+
+        // if now is after runTime, add 1 day
+        if (now.after(runTime)) {
+            runTime.add(Calendar.DAY_OF_YEAR, 1)
+        }
+
+        timer.scheduleAtFixedRate(task, runTime.time, TimeUnit.DAYS.toMillis(1))
+
+        println("set clean up timer")
+    }
+}
\ No newline at end of file