अपनी भाषा में प्लॉट जोड़ेंByeong-gu believes that the world is on the verge of an alien invasion, and sets out to save the world.Byeong-gu believes that the world is on the verge of an alien invasion, and sets out to save the world.Byeong-gu believes that the world is on the verge of an alien invasion, and sets out to save the world.