It has been five years since the Vanadis Incident, in which all Gundams became forbidden... These mobile suits were deemed "curses," but now they're running amok on Earth. (Source: Yen Press)

You Sahara has fallen in love with Airi Tachibana, the most beautiful girl in school, at first sight. After talking about it with his good-looking friend Arata Shindou, Arata says he'll set things up so that You can confess his feelings and ask her out. But when You goes to the place he was told, he sees Arata asking Airi out instead. You is obviously shocked after having been betrayed by his friend and seeing him steal the girl he liked away from him right before his eyes, so he immediately flees the scene. The next day, he enters the classroom to find out that for some strange reason, Arata has completely shaved his head. Even stranger, Airi starts assertively trying to get close to him, even though she should now have a boyfriend! As it turns out, the girl he likes is kind of dangerous! What will become of this thrilling and comedic romance with a mysterious girl who's totally out of his league?! Source: Shogakukan