Akiho, a female teacher who has been assigned to special S class. - The students were all elite, but they were completely brainwashed by their homeroom teacher, the Old God. - When she learns of the existence of the rape video that forced her senior teacher to take a leave of absence, she questions the students out of a sense of justice and finds herself in the same situation... - He is tied to the "red collar" that is the proof of being a slave, raped over and over again, and his genitals are carefully trained... He turns into a versatile sex pet that can enjoy any kind of dick.