1boy, 1girl, ahoge, alternate_costume, animal_ears, artist_name, blush, breasts, cleavage, closed_mouth, ear_ornament, ears_down, grey_eyes, grey_hair, hair_between_eyes, hand_on_own_stomach, holding_another's_arm, horse_ears, horse_girl, horse_tail, large_breasts, long_hair, multicolored_hair, oguri_cap_(umamusume), solo_focus, streaked_hair, swimsuit, tail, thigh_strap, trainer_(umamusume), umamusume, yamano_rokamizu