Amami Tsubasa is a nurse who is violated by an infected patient who has a disease that causes her to ejaculate the aphrodisiac sperm. Tsubasa herself is also transformed by the mass of 30 sperm splattered into the mouth, vagina, and skin! A cruel and lewd world where she loses her rationality as she continues to gang rape and intense orgasms and ends up becoming a pet toilet who just lives for sex.