1boy, 1girl, animal_ear_fluff, animal_ears, anus, ass, bar_censor, censored, crotchless, deep_skin, from_behind, greyscale, hetero, imminent_penetration, leotard, long_hair, looking_at_viewer, looking_back, lying, male_pubic_hair, monochrome, penis, penis_on_ass, pubic_hair, smile, spread_ass, top-down_bottom-up, twintails, very_long_hair