(Bang Chan - sound design; Minho - biomedicine; Changbin - audio engeneering; Hyunjin - photography; Han - music production; Felix - computer science; Seungmin - veterinary medicine; Jeongin - modern languages;) They are all friends in the college despite not studying the same subjects, they always meet up before and after classes. You are classmate of Han Jisung in music production, but you've never really talked with him. He's specially close to Bang Chan and Changbin, since they study similar subjects. One day, the teacher devides the class into pairs for an assignment, you and Han Jisung are selected as a pair. For the assignment you need to make a song and a report, so the teacher gives the time of the class for the pairs to discuss about it.