Japan faced a crisis. Their declining birth-rate keep getting worse. To combat it, they made a new law called Ikumonogakari where the student sexual relations mandatory for everyone. The students of one of the school are being taught practical lessons about sex. From a foreplay like fellatio to a complete sexual intercourse, the teacher will taught them all of that. It reached to the point where the guys have an orgy sex with their classmates.
Date: March 31, 2023