START-148 A beautiful teacher at the nursery school where my son attends and his wife and child had a secret meeting at home while returning home and had sex for a week. MINAMO

My son's homeroom teacher's bookmark was popular with the children. Shiori and Kenji end up having an affair while their wife and child are returning home. We started meeting regularly at home and before we knew it, we were spending our days having sex. The day before his wife and children return, Shiori does something surprising...