I've got a place for you (right in my heart)

When her old best friend decided to commit suicide, Irene starts to think about her life decision. They become friend for about four years, then Sooyoung starts to change after her father passed away. She started to skip classes, become passive, and don't want to share anything with her. Irene thought she needed some helps, but Sooyoung refused it. She hates Irene when she dated Kim Taehyung, the school heartthrob and one of the most popular student in the school.