1girl, animal_ears, artist_name, aston_machan_(umamusume), between_legs, black_footwear, blush, breasts, closed_mouth, crown, green_eyes, hand_between_legs, horse_ears, horse_girl, horse_tail, large_breasts, looking_at_viewer, mamu_t7s, medium_hair, puffy_short_sleeves, puffy_sleeves, purple_shirt, sailor_collar, school_uniform, shirt, shoes, short_sleeves, side_ponytail, sitting, skirt, smile, solo, tail, thighhighs, tracen_school_uniform, umamusume, wariza, white_skirt, white_thighhighs