He never meant it. The guilt turns his life into miserable. "I'm sorry..."

     Song Chae-Yeong, that's my name. The high school I go to, Prím Ellite High School. Life was perfect, it was perfect. I met a boy, his name is Oh Sehun, sometimes I call him the devil too. He likes to darken my days, to mess with me. For the past two and a half a year he's been bullying me. What can I do to stop him? Nothing, because he'll only get worst. 

Irene and her clique consisting of Yeri, Kai, Chanyeol and Suho are the infamous bullies in school. They pick on almost everyone who cross them or seem weak but out of all the victims, Irene's favorite was the nerdy Kang Seulgi.

The right one will love you for what's inside.

Toyed and used by her boyfriend, Shim Nayoung, decided to move out of school. At first it was hard because she became the subject of bullying again, but someone helped her it was Kim Minseok

Meet Kim Ki Ra, the nerdiest nerd in Myongji High. She is the correct definition of a nerd. Huge glasses, baggy clothes, no make up face, clever brain. You name it, she has it.

 Lee Yuna and Seo Kangjoon reunite again at college. Kangjoon plans to ruin her life just like how he did years ago. As days go by her parent's company starts losing their money. In order to get back in track they sell her to the Seo family. There she gets forced to marry the eldest son. Seo Kangjoon.