1girl, ahoge, alternate_costume, animal_ears, blush, breasts, copano_rickey_(umamusume), double_bun, fang, hair_bun, herohero_(higashi_no_dou), horse_ears, horse_tail, looking_at_viewer, medium_breasts, medium_hair, navel, open_mouth, panties, purple_eyes, simple_background, solo, sports_bra, tail, umamusume, underwear, white_background, yellow_sports_bra