Once upon a time, He used to call me with my pet name Once upon a time, He was a caring boyfriend Once upon a time, He would never avoid me Once upon a ti

Kwon Hana is a new student at Seoul International High School. She is a baby-faced girl. Everyone thinks she is a soft-spoken girl but,she is totally different to what other people think. She loves to bully her friends instead of studying. She doesn't like childish guys but what will happen when she meets a childish guy at her new school and fall in love with him?!