1boy, 1girl, anus, areolae, blue_eyes, blush, breasts, censored, chalkboard, classroom, desk, diagram, hetero, large_breasts, long_hair, male_pubic_hair, nipples, no_bra, no_panties, open_mouth, orange_hair, ovum, penis, pointer, ponytail, pubic_hair, pussy, pussy_juice, sailor_collar, school_uniform, serafuku, sex, sex_ed, shiny, shiny_skin, smile, socks, sperm_cell, spread_legs, sweat, uniform, uterus, vaginal