During puberty, many people have experienced their dicks twitching uncontrollably even during class. If you had a kind, big-titted, and horny teacher as your homeroom instructor at that age, the school atmosphere would quickly turn filthy. When Kurea Hasumi, a busty homeroom teacher, appears, the students' excitement steadily rises, and they start taking both their studies and their erections seriously. After-school titty fucks, breastfeeding in the classroom, comforting sex in the nurse's office—various erotic scenarios unfold, drawing the students in like a trance. If such a teacher existed at your school, every day would be something to look forward to. This place becomes an enjoyable learning environment so satisfying that countless students would want to keep coming back.