Takashi, who was laid off at his local workplace, decides to stay with his older brother and his wife in Tokyo while looking for a job. - One day, he accidentally peeks into his sister-in-law Shiori while she is taking a bath. - When Takashi learns that the normally plain girl has an extremely attractive body, he is so excited that he can't help but approach her. - Shiori's frustrated body, swayed by his forceful approach, continues to greedily seek his cock, and before she knows it, she shakes her hips as if to let out the pent-up sexual desire...