Rule 34 Dev - 3boys alien comparing cui dragon_ball dragon_ball_super dragon_ball_z embarrassed erection gay green_penis green_skin horsecock locker_room male male_only nude peeing peeing_into_toilet penis_size_comparison penis_size_difference pink_penis purple_penis purple_skin red_skin shisami size_comparison size_difference standing toilet_pee urinating urinating_male urination urine yaoi|3264535096