As part of measures to counter the declining birthrate, a new sex education system, "Home-visit-type conceived sex education,". - A professional teacher goes to the student's home and demonstrates how to make a child, which the family watches over. - Ichika-san is being watched by her father while giving a child-making sex education to a male teacher! - Beginning with a physical examination, everything is done in front of the father during child-making sex education, and finally implantation pregnancy is safely done with 3P with classmates!