START-319 | A beautiful teacher at my son's nursery school and I had a secret rendezvous at home while my wife and son were visiting their parents' house and had sex for a week.

Ema, the son's homeroom teacher, was popular with the children. The father and Ema became involved in an affair while his wife and child were visiting home. They began meeting regularly at home, and before they knew it, they were spending their days having sex. The day before Shiori's wife and child returned home, she took a surprising action...