Daehyun and Youngjae are the very best friends, they know that, except its difficult. Youngjae always has to control noisy Jung Daehyun, whose always active and says 'Youngjae 's mine and only mine!'. In the other hand Daehyun thinks Yoo Youngjae should listen to him, his hyung, when he tells him too even if he's a little unstable. These two create the best unforgettable memories and make the best friendship ever,