"Practical sex education," which was introduced as part of measures to combat the declining birthrate, involves teachers "directly" teaching sex education using their own bodies. A newly married teacher who only got married last year is a little hesitant, but she uses her own body to teach sex education to her students! "To get pregnant, you insert your erect penis into a woman's vagina on a dangerous day and ejaculate into her uterus. Watch me get pregnant."