Mina always complains about her boyfriend's low sperm count during sex. She becomes close with her neighbor Sato (Kintama Otoko) and gets hooked on his massive ejaculations. Mina masturbates to induce ejaculation, but is so moved by the vivid sight that she ends up having sex. Mina becomes infatuated with the massive cumshot, massive semen, and massive in-the-middle-of-pregnancy release, gradually becoming captivated by Kintama Otoko...
