1girl, alternate_costume, animal_ears, artist_name, blue_eyes, border, breasts, dress, ear_covers, frilled_dress, frills, green_shorts, grey_hair, horse_ears, horse_girl, horse_tail, large_breasts, looking_at_viewer, on_grass, one_eye_closed, outdoors, seiun_sky_(umamusume), short_hair, shorts, single_ear_cover, sitting, smile, solo, stretching, tail, teeth, thigh_strap, umamusume, upper_teeth_only, wariza, white_border, zzo0