Yoon Soobyul:

A very strong girl. Always there for the twins when they bullied them in school. She likes pancakes and ice cream. She is a loving and caring person.

Seo Hayoung

A thin girl who always get bullied by the school. She is a weak person, but when you get to know him, she is a lovable person.

Seo Haeyo

A funny girl. Hayoung youngest sister. Get bullied sometimes. Always crack jokes for her friends, SHE IS A CLUMSY PERSON SOMETIMES.

Kim Kibum/Key

A very rich man. Loves to shop. Everyone envies him cause of his appearance in life..