Punishment Game Between Hare & Tortoise

Ichizo Kameya, nicknamed Kamechi, is suddenly confessed to by his classmate Sagiri Indo, known as Usako. However, the confession is revealed to be part of a punishment game. To make amends, she agrees to act as his girlfriend for the day, and the situation quickly turns intimate.

Kamechi, who is well-endowed but struggles with premature ejaculation, finds himself unable to satisfy her, leading to frustration on both sides. His pent-up irritation and her selfish complaints escalate, pushing them into a raw and intense physical encounter that challenges their dynamic.