Sungyeol, Myungsoo and Woohyun are childhood friends and also neighbors. They became friends ever since they were little. Sungyeol realizes he has feelings towards Woohyun. Myungsoo who has been in love with Sungyeol notices Sungyeol's feelings. What will Myungsoo do when he sees Sungyeol being hurt because of his love for Woohyun. What will happen when there's a new student, Kim Sunggyu transferrin