A father and son, who have fallen in love with the big-breasted wife 'Haruka' next door, want to invite Haruka to their home and watch the popular program 'Mom Welcome! Apply to '. Haruka looks bewildered when the staff goes to Haruka's house and explains the purpose of the project. However, after being persuaded by the staff and her husband, she will live as a surrogate mother in Ozawa's family. The actual situation of a perverted father and son that becomes clear while living together. Breastfeeding sexual harassment play from a child, bathing with mother and child, rape from father, 3P with father and son were waiting for a turbulent development.