Recently, my wife Hiroka has been acting strange. I started to feel this way after a homeless man settled in the neighborhood. On dinner day, she stopped in front of a tarpaulin hut and stared at the homeless man. I thought it was suspicious, but I told her to go because it would be rude. However, the two of them seemed to know each other, and our house smelled strange, and my suspicions about my wife grew day by day. Then, every time I held my wife, I felt something was wrong, so one day I looked into the tarpaulin hut and saw a shocking sight...