The student council president, Shinharu, finds a suspicious receipt in his accounting notebook. There were bad rumors about the female teacher who handled it. A serious and strong sense of justice, Shinharu acts to pursue injustice, but is betrayed by the male teacher who consulted. No one helps at this school, teachers, classmates, friends, all around her are devils. Slut ●, shaving, deep throating, spanking, incontinence, Ryo ● sexual intercourse ... Because of her innocence, Shinharu falls into sexual hell.