Adapted from the manga of the same name by Adachi. The narrative centers on a romantic triangle involving Minatsu Nakazato, a student and softball player; her classmate Shu Akiba; and the rising boxer Naoto Kadomatsu. In truth, the dynamic is closer to three-and-a-half, given that Naoto is in love with Maria... or rather, Minatsu herself, who had previously disguised herself to flee from evildoers.