[COMPLETED] Crotchet: Quarter note ~ It takes four of it to make a whole, but two people can just double their love to make a really tight connection-a harmony. Seongjun (Castle J), a university student, is preparing for his debut as the leader of MCND. But something is happening in the sidelines and it can make or break everything. Characters: MCND members as themselves Jung Minji (female MC) and Random other names just gonna pop out