1girl, ahoge, animal_ears, black_leotard, breasts, brown_eyes, covered_navel, dark-skinned_female, dark_skin, detached_collar, fake_animal_ears, fate/grand_order, fate_(series), grey_hair, highleg, highleg_leotard, koha-ace, kurozawa_yui, large_breasts, leotard, long_hair, looking_at_viewer, okita_souji_(fate), okita_souji_alter_(fate), playboy_bunny, rabbit_ears, solo, tassel, very_long_hair, wrist_cuffs