Sachiko, who has moved next to Shuhei, who lives alone, wants children but has been shy for a long time. - Recently, her husband is uncooperative in making her boyfriend, and her anxiety about childcare is increasing. - Shuhei, who confided her troubles one day, recommended Sachiko to practice her childcare, and she decided to become a practice table. - And she was Sachiko who treats her Shuhei seriously like a child, but her reason cannot be suppressed by the big breast that spreads in front of her. - Then a secret meeting called childcare practice for married women and adolescents began ...