Living in an old apartment with her husband, Kasumi Adachi (Mikoto) had a good relationship and no complaints. However, their marital life had become routine. One day, her husband suggested anal sex... Embarrassed and frightened by the sudden proposal, Mikoto refused. But for the sake of her beloved husband... Mikoto decided to touch the unknown anus. However, such an afternoon act was accidentally witnessed by a neighbor, and Mikoto ended up being raped, losing her precious virgin anus...
