I was the ace of the baseball team, but after a serious injury, the doctor told me I'd never be able to play baseball again. I was thrown into the depths of despair. My father was crushed by guilt. But my girlfriend Mizuki encouraged us. I'll never give up! I'll take Mizuki to Koshien! ...We made a promise like something out of a shounen manga, but Mizuki was hiding it from me and having sex with my father in the hospital room, and having threesomes with unknown patients in the hospital...