Married life at my wife's home. Okaasama is kind and loves her wife. My sister-in-law came back to this peaceful house, and my daily life was broken. She is tempted to seduce me. To escape with the man who doesn't know in front of me for a moment. I was finally fed up to my over-the-in-law, and I fell into the dumb of the unfaithful exchange with my sister-in-law.