Kwon Sojin had no boy problems. The only boy in her life was her best friend Zhang Yixing. One unfortunate detention can be just a little push towards many problems. When Kim Jongin swoops into Sojin's life and starts to make her believe she likes him. But when her best friend Yixing admits his love for her, she now has a world of problems. Does she like Yixing? And Jongin?