Toru enjoyed a brief moment of freedom.His wife is away from home preparing to give birth.She had no idea that she would use this opportunity to play with women, and she spent her time relaxing, watching TV and reading books. …but suddenly her sister-in-law, Sayu, arrives.She says that she came to take care of Toru, who is in trouble because her wife is absent, but Sayu's aim was her brother-in-law's cock.Sayu has a bewitching smile on her face.The dangerous night of just the two of us goes on...