A certain school's baseball club. Mai, the female manager, has been the talk of the town from other schools. Kitazawa, who has feelings for Mai, takes the plunge and confesses his feelings to Mai, but ends up being dumped. Annoyed, Kitazawa raped Mai to make fun of his girlfriend who dumped him and filmed the scene on video... After that, he used the video as a material to blackmail Mai, impregnated her with creampie, and spent all her time practicing. Tachi. Before she knew it, Mai was being fucked with a baseball club member's meat bat as a 1000-knock meat urinal...