Toshie Yabe, 41, is a full-time housewife. One night, I was feeling lonely in bed, thinking, "My husband is going to be home late again today...". I heard moaning coming from my son's room, who was sleeping next to me. "What's going on?" I peeked through the gap in the sliding door, and saw my son rubbing himself. Seeing this, my fingertips naturally went to his crotch... After that, I waited for my son to fall asleep and stayed there...