Sayo, who is a class representative, is the target of bullying by the boys in her class. One day, Sayo, who drinks a water bottle mixed with an aphrodisiac, turns into a male student in the class and a sex slave of the teacher! Shaving and spanking! After inserting a foreign object into the anal, enema! ! And anal fireworks, anal creampie bukkake, anal SEX & two-hole SEX galore! ! !