A baseball club at a certain school. A female manager named Mai has become the talk of other schools. Kitazawa, who harbors feelings for her, finally gathers the courage to confess but is rejected. Angry Kitazawa rapes Mai in retaliation for being rejected and records the act on video… Afterwards, they use the video to blackmail Mai into group sex where all members ejaculate inside her, aiming to impregnate her. The club members spend their days engrossed in this training. Mai is used as a 1000-hit knock meat toilet, being turned around by the baseball players' meat bats…
