Trade L: Boynextdoor's Young MC

One of the the many young MCs, Jay Park noticed his freestyle and offered him to join H1ghr Music. Initially skeptical, he agrees becoming youngest artist to join. Things go well as he joins in the many of their group project, but deep inside he finds himself struggling to find a place in the music industry. He takes a gamble a the fourth season of High School Rapper which he scored first place which gave him huge attention. He used that moment to establish his solo career.

He soon meets a former YG trainee and they build a special bond. Inspired by Hyeonjin and Haon, he decides to risk it all to become an idol. Fortunately he didn't have to look as a veteran idol by the name of Zico invites him on his agency to audition. Seeing the opportunity he negotiates a deal where he can train. After more than a year of training he debuts into Zico's own group: Boynextdoor a boy group with their own unique sound. They become part of the rising 5th gen for their unorthodox production. Lee Seunghoon makes new friends with six other boys each with their wacky persona. Can he manage both being an idol and rapper.