Kind-hearted husband Shinji invites his broke brother Yuuichi, who is in debt, to live with him and his wife Sora for the time being. Sora feels uneasy about the rough and uncivilized Yuuichi. One day, while Sora was taking a nap, Yuuichi attacked her. Unable to tell her husband about being violated by her brother-in-law, Sora suffers as Yuuichi toys with her daily. However, his rough caresses and thick, hard manhood gradually give Sora a pleasure she had never felt with her husband...
