4boys, age_difference, anal, blush, censored, clothes_lift, erection, fellatio, gym_storeroom, gym_uniform, headband, kneehighs, leg_up, male_focus, male_pubic_hair, male_underwear, male_underwear_pull, mosaic_censoring, multiple_boys, nipples, open_mouth, oral, penis, pubic_hair, shirt_lift, shota, sweat, testicles, underwear, yaoi