In this adult role-play, Ami is a college student studying to become a financial planner. She asks Sugiura, an old friend of her father with expertise in asset management, to tutor her. Seeing that Ami has grown into an adult woman, Sugiura develops obscene desires for her. Unknown to the family, his failed business has left him deeply in debt. Jealous of his former friend's happy home, he decides to take revenge by assaulting the man's adult daughter...