Student council president Koharu finds a suspicious receipt in her accounting notebook. There was a bad rumor about the female teacher who handled it. Kokoroharu, who is serious and has a strong sense of justice, tries to investigate her injustice, but she is also betrayed by the male teacher she consulted. At this school, no one helps her, her teachers, her classmates, her friends, and everyone around her is a devil. Molesting, shaving, deep throating, spanking, incontinence, sexual intercourse... Kokoro spring falls into sex hell because of its innocence.
