Maria Kure (Nana Asakawa) is expelled from her Catholic girls' school for some reason and transfers to a co-ed school. Because of her overly straightforward personality, she says things that people don't want to be pointed out, and from the first day she antagonizes her classmates, including Ayu Nakamura (Karin Ono). Immediately, Maria is harassed and almost falls from the roof, but is saved by Shin Meguro (Hiroki Iijima) and Yusuke Kanda (So Okuno). Meguro and Yusuke each give her some advice, but Maria replies, "You can't make friends if you're afraid to get involved.