1girl, animal_ears, blurry, blurry_background, blush, bookshelf, breasts, cabbie_hat, casual, ears_through_headwear, filkia, hair_ornament, hairclip, hat, horse_ears, horse_girl, horse_tail, kneehighs, lap_pillow, lap_pillow_invitation, looking_at_viewer, matikane_tannhauser_(umamusume), medium_breasts, medium_hair, open_mouth, seiza, sitting, socks, solo, tail, umamusume, window, yellow_eyes