Pledisev is one of many favorite schools in Seoul. But what makes it special is, it is a school dedicated for boys only. It all started when Wonwoo move to this school right after his family moved to Seoul. He is an introvert, hard to approaches people at first meet. But it all changes since Wonwoo meet Soonyoung along with his boyfriend Seokmin, and their friends. Especially that certain guy, with tanned skin and messy black hair. Wonwoo never thought he will be ghei the moment he keeps starring at the boy. 

The story of 13 bestfriends, about their friendship strong bonds, brotherhood, love involved between, school problems, teenage stories, breaking rules, etc. But they get through it together only with the happy things.