A group of friends enjoying high school together in South Korea. The boys, Aron, Ren, JR, Baekho and Minhyun has known each other as long as anyone of them can remember. Ren, JR, Baekho and Minhyun met So Ah when they started 2.nd grade. But the day she started (in the middle of the semester) Baekoho was sick. Being shy and quiet she attracted Ren and they became good friends over a day. He introduced her