Ena.

Hanako, a plain girl in the corner of the classroom, discovers the other side of the "fresh prince" Aoi, whom she had only seen from afar. She also finds out that Aoi-kun asked her, "Won't you be my girlfriend?"

One day, Chisa witnesses her boyfriend having an affair. Moreover, she was also seen crying by her classmate Toudou, the most popular playboy in the school!! The next day, she was getting strangely involved with him but Chisa ignored it all. However, Toudou kept on approaching her with "Should I make you forget about your ex?" and suggested that they become "hug buddies"—??(Source: MangaUpdates)