While his wife was visiting her parents, he was aroused by the earnest yet secretly masochistic side of a former and current childcare worker at his son's kindergarten. In his wife's absence, they engaged in the worst yet most extreme form of illicit sexual intercourse. (Nagino Tsumugi IPZZ-946)

I was restless. My wife and only son had started their spring break early. The sun was shining brightly, and the long-awaited freedom thrilled me. But I had been too impulsive. Tsumugi was a senior and junior nursery worker. I actually drank with her and even brought her back to the room. I had no choice but to go for it. Since having a wife, I've had to suppress my rationality every day. The only time I could unleash my masculine instincts was now—