I was enjoying my first solo life in a long time. My wife had gone back to her hometown due to pregnancy. My sister-in-law, Fukuyuki, came to check on me, worried about me being alone. I was fed up with the dilapidated house and thought it was a good opportunity to invite her in... But suddenly, Fukuyuki smiled suspiciously and said something strange. "The infidelity rate of men is highest when their wife is pregnant." She said, staring at me as if she were targeting her prey...
