Des:Mizuki is a female teacher who falls into the trap of delinquent students after helping a bullied student. She is called to the classroom late at night and is restrained and violated. She is raped by them and she becomes a compulsory sex slave. During class, she was secretly played with obscene pranks and was made to play with toys in front of a large group of students. Their violence escalates. A delinquent student is rescued by a delinquent student, and a female teacher Mizuki is in trouble due to his misfortune. She is a delinquent boy who is restrained and violated, and in the end she is returned to a sexual slave.