Mark Tuan is finally given a group in which he will make his debut. However, it doesn't come without many struggles as one of his group members constantly gives him attitude and demands honorifics - despite being younger. Things don't get any better after debut as Mark had hoped, in fact they get much worse. The members end up in a huge fight that nearly costs them their career. Mark ends up learning something about the group Bully that shocks him but hopes it will repair the damage. Through patience and late night talks, the boys slowly begin to come together and Mark finds his feelings changing. He begins to yearn more for the boy whom used to bully them all; his feelings only get stronger when four other members reveal that they've been secretly dating for months. Will shy boy Mark be able to confess his feelings?