Hit the Top Episode 13

Gwang Jae's birthday is ruined by everyone's discovery of Hyun Jae just as they are beginning to part with him, as well as his accidental finding of Ji Hoon's secrets. Despite claiming to be a lookalike of himself, Hyun Jae is being suspected as his real self by Soon Tae and Boo Hee. Ji Hoon's friends later persuade him to convince Gwang Jae to allow him to pursue his training but decide to reveal to everyone about it, as well as his secret harboring of his friends at his apartment.