diff --git a/build.gradle b/build.gradle
index d05aea8..6c7424a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,15 +3,19 @@ plugins {
 }
 
 group 'cc.sukazyo'
-version '1.0-dev'
+version '0.1'
 
 repositories {
 	mavenCentral()
 }
 
 dependencies {
+	
+	implementation 'com.github.pengrad:java-telegram-bot-api:5.3.0'
+	
 	testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.1'
 	testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.1'
+	
 }
 
 test {
diff --git a/src/main/java/cc/sukazyo/cono/morny/Logger.java b/src/main/java/cc/sukazyo/cono/morny/Logger.java
new file mode 100644
index 0000000..7df971b
--- /dev/null
+++ b/src/main/java/cc/sukazyo/cono/morny/Logger.java
@@ -0,0 +1,25 @@
+package cc.sukazyo.cono.morny;
+
+public class Logger {
+	
+	public static final Logger logger = new Logger();
+	
+	public void info(String message) {
+		System.out.println(
+				"[INFO]" +
+				message.replaceAll("\\n", "\n[INFO]")
+		);
+	}
+	
+	public void warn (String message) {
+		waring(message);
+	}
+	
+	public void waring (String message) {
+		System.out.println(
+				"[WARN]" +
+				message.replaceAll("\\n", "\n[WARN]")
+		);
+	}
+	
+}
diff --git a/src/main/java/cc/sukazyo/cono/morny/MornyCoeur.java b/src/main/java/cc/sukazyo/cono/morny/MornyCoeur.java
new file mode 100644
index 0000000..18db6d8
--- /dev/null
+++ b/src/main/java/cc/sukazyo/cono/morny/MornyCoeur.java
@@ -0,0 +1,49 @@
+package cc.sukazyo.cono.morny;
+
+import cc.sukazyo.cono.morny.bot.OnUpdate;
+import com.pengrad.telegrambot.TelegramBot;
+import com.pengrad.telegrambot.request.GetMe;
+
+import static cc.sukazyo.cono.morny.Logger.logger;
+
+public class MornyCoeur {
+	
+	private static TelegramBot account;
+	
+	public static void main (String[] args) {
+		
+		logger.info("System Starting");
+		
+		logger.info("args key: " + args[0]);
+		
+		account = login(args[0]);
+		
+		logger.info("Bot login succeed.");
+		
+		account.setUpdatesListener(OnUpdate::onNormalUpdate);
+		
+		logger.info("System start complete");
+		
+	}
+	
+	public static TelegramBot login (String key) {
+		TelegramBot account = new TelegramBot(key);
+		logger.info("Trying to login...");
+		for (int i = 1; i < 4; i++) {
+			if (i != 1) logger.info("retrying...");
+			try {
+				logger.info("Succeed login to @" + account.execute(new GetMe()).user().username());
+				return account;
+			} catch (Exception e) {
+				e.printStackTrace(System.out);
+				logger.info("login failed.");
+			}
+		}
+		throw new RuntimeException("Login failed..");
+	}
+	
+	public static TelegramBot getAccount () {
+		return account;
+	}
+	
+}
diff --git a/src/main/java/cc/sukazyo/cono/morny/MornyTrusted.java b/src/main/java/cc/sukazyo/cono/morny/MornyTrusted.java
new file mode 100644
index 0000000..a1bd6d5
--- /dev/null
+++ b/src/main/java/cc/sukazyo/cono/morny/MornyTrusted.java
@@ -0,0 +1,20 @@
+package cc.sukazyo.cono.morny;
+
+import com.pengrad.telegrambot.model.ChatMember;
+import com.pengrad.telegrambot.request.GetChatMember;
+
+public class MornyTrusted {
+	
+	public static final long TRUSTED_CHAT_ID = -1001541451710L;
+	
+	public static boolean isTrusted (long userId) {
+		ChatMember chatMember = MornyCoeur.getAccount().execute(new GetChatMember(TRUSTED_CHAT_ID, userId)).chatMember();
+		return (
+				chatMember != null && (
+						chatMember.status() == ChatMember.Status.administrator ||
+						chatMember.status() == ChatMember.Status.creator
+				)
+		);
+	}
+	
+}
diff --git a/src/main/java/cc/sukazyo/cono/morny/bot/OnCommandExecute.java b/src/main/java/cc/sukazyo/cono/morny/bot/OnCommandExecute.java
new file mode 100644
index 0000000..8ca897b
--- /dev/null
+++ b/src/main/java/cc/sukazyo/cono/morny/bot/OnCommandExecute.java
@@ -0,0 +1,67 @@
+package cc.sukazyo.cono.morny.bot;
+
+import cc.sukazyo.cono.morny.MornyCoeur;
+import cc.sukazyo.cono.morny.MornyTrusted;
+import com.pengrad.telegrambot.model.Update;
+import com.pengrad.telegrambot.request.SendSticker;
+
+import static cc.sukazyo.cono.morny.Logger.logger;
+
+public class OnCommandExecute {
+	
+	private static final String ONLINE_STATUS_RETURN_STICKER_ID = "CAACAgEAAx0CW-CvvgAC5eBhhhODGRuu0pxKLwoQ3yMsowjviAACcycAAnj8xgVVU666si1utiIE";
+	private static final String HELLO_STICKER_ID = "CAACAgEAAxkBAAMnYYYWKNXO4ibo9dlsmDctHhhV6fIAAqooAAJ4_MYFJJhrHS74xUAiBA";
+	private static final String EXIT_STICKER_ID = "CAACAgEAAxkBAAMoYYYWt8UjvP0N405SAyvg2SQZmokAAkMiAAJ4_MYFw6yZLu06b-MiBA";
+	private static final String EXIT_403_STICKER_ID = "CAACAgEAAxkBAAMqYYYa_7hpXH6hMOYMX4Nh8AVYd74AAnQnAAJ4_MYFRdmmsQKLDZgiBA";
+	
+	public static void searchForCommands (Update event) {
+		switch (event.message().text()) {
+			case "/o":
+				onCommandOnExec(event);
+				break;
+			case "/hi":
+			case "/hello":
+				onCommandHelloExec(event);
+				break;
+			case "/exit":
+				onCommandExitExec(event);
+				break;
+			default:
+		}
+	}
+	
+	private static void onCommandOnExec (Update event) {
+		MornyCoeur.getAccount().execute(new SendSticker(
+				event.message().chat().id(),
+				ONLINE_STATUS_RETURN_STICKER_ID
+				).replyToMessageId(event.message().messageId())
+		);
+	}
+	
+	private static void onCommandHelloExec (Update event) {
+		MornyCoeur.getAccount().execute(new SendSticker(
+				event.message().chat().id(),
+						HELLO_STICKER_ID
+				).replyToMessageId(event.message().messageId())
+		);
+	}
+	
+	private static void onCommandExitExec (Update event) {
+		if (MornyTrusted.isTrusted(event.message().from().id())) {
+			MornyCoeur.getAccount().execute(new SendSticker(
+							event.message().chat().id(),
+							EXIT_STICKER_ID
+					).replyToMessageId(event.message().messageId())
+			);
+			logger.info("Morny exited by user @" + event.message().from().username());
+			System.exit(0);
+		} else {
+			MornyCoeur.getAccount().execute(new SendSticker(
+							event.message().chat().id(),
+							EXIT_403_STICKER_ID
+					).replyToMessageId(event.message().messageId())
+			);
+		}
+	}
+	
+}
diff --git a/src/main/java/cc/sukazyo/cono/morny/bot/OnUpdate.java b/src/main/java/cc/sukazyo/cono/morny/bot/OnUpdate.java
new file mode 100644
index 0000000..3dfb108
--- /dev/null
+++ b/src/main/java/cc/sukazyo/cono/morny/bot/OnUpdate.java
@@ -0,0 +1,21 @@
+package cc.sukazyo.cono.morny.bot;
+
+import com.pengrad.telegrambot.UpdatesListener;
+import com.pengrad.telegrambot.model.Update;
+
+import java.util.List;
+
+public class OnUpdate {
+	
+	public static int onNormalUpdate (List<Update> updates) {
+		for (Update update : updates) {
+			if (update.message() != null) {
+				if (update.message().text() != null) {
+					new Thread(() -> OnCommandExecute.searchForCommands(update)).start();
+				}
+			}
+		}
+		return UpdatesListener.CONFIRMED_UPDATES_ALL;
+	}
+	
+}