Daehyun and Youngjae go to different high school but both need to take the bus to go home. When youngjae sees daehyun he finds him intersting so when the boy just gives him notes with one word on it he finds himself happy knowing that he's talking to him. Soon they see each other everyday and feeling develop. In till one day daehyun stop coming on the bus youngjae starts to worry if he will ever come back.