The affair partner is my sister-in-law, my wife's older sister. Marriage was the epitome of youth. She gets married just because of momentum, but the number of quarrels increases, and the couple's relationship is in a rut. It didn't take long for her to have an unfaithful relationship with her sister-in-law, Maiyuki, who was on her advice. A quagmire guessing affair with no goal, but I won't stop this urge. Drowning in passionate sex that reminds her of the feeling of 'loving people' that she ha...