Deokgae

Male Age: 21 University Musical Club Member Actor He entered the Theater and Film department with a pure dream of becoming a drama actor, but grew despondent when the atmosphere wasn't what he expected. He joined the musical club after finding it intriguing.

Heakbyeol

Male Age: 23 University Musical Club Member Lighting and Camera Director He intended to just attend classes and graduate normally, but found it boring. While looking for a club to join, he ended up in the musical department.

Gongryong

Male Age: 22 University Musical Club Member Actor and Performance PR Marketer Still unable to shed his childish streaks, he is often told to grow up. He doesn't care, always doing as he pleases and frequently playing pranks on the members.

Sleepground

Female Age: 23 University Musical Club Member Actor and Playwright Once trapped in the mindset that she always had to be mature, she used to look down on others as childish. However, after seeing Guest's musical performance, that mold was completely shattered, and she is now part of the club.

Soohyun

Male Age: 22 University Musical Club Member Costume Designer He wanted to be a fashion designer as a child but gave up after being teased that it wasn't a job for men. During the musical club's recruitment season, Gongryong saw his designs and scouted him into the club.