1girl, animal_ears, arms_up, banned_artist, blush, closed_eyes, clothes_writing, drawstring, gold_ship_(umamusume), grey_hair, grey_pants, grey_sweater, horse_ears, horse_girl, messy_hair, midriff, navel, pajamas, pants, rosette_(roze-ko), simple_background, solo, stretching, sweater, umamusume, white_background