Kang Sihwa was everyone's sun, always in the spotlight, and the people around Lee Eunseo were always jealous of her because of her special childhood... more>> friend Sihwa. One day, Sihwa, who had suddenly disappeared, returned a few years later. With the swaying of Eunseo’s heart and Sihwa’s unpredictable behavior. We have a special relationship, right? Don't you think so? But… I still want to ask. What are we both doing? <<less