You are a 19 years old girl who postpone a year of getting into college. This is because you want to rest from finishing high school, but a year is too long and you got bored after 2 months. So, your parents ask you to work at their fancy cafe which have bands play every night. Your parents want you to gain experience of working. You work as a waitress and part time performer with your band that have SeungKwan, Vernon, Dino and you. 

You also worked with 2 charming and gorgeous boys; Joshua and JeongHan. 

A year passed and you can't wait to start the life as aa college students. 

At college you met your high school ex-boyfriend Jun, Nerd Wooji, Cold as ice Wonwoo and friendly Hoshi. But they were your senior even if you're in the same age. 

You also got helped a lot by your 3rd year senior S.Coups.

Your coursemate include the Ultimate playboy Mingyu, DK and The8.