This spring, Mikuru came to her alma mater as a student teacher. She was dating Meguro, a university student who was also doing his student teacher training, and they were happily together. One day, on the orders of the vice principal, she went to the house of Dai, a reclusive student. There she found his wicked family and their henchmen... Mikuru's beautiful body was pinned down in front of Meguro. Mikuru was corrupted by having her lewd scenes with the gangsters filmed, and was then impregnated almost every day...