1girl, animal_ears, armpits, arms_behind_head, arms_up, artist_name, brown_hair, closed_eyes, ear_ornament, hair_between_eyes, horse_ears, horse_girl, long_hair, mukakin, multicolored_hair, shirt, short_sleeves, sirius_symboli_(umamusume), sleeping, solo, streaked_hair, umamusume, white_hair, white_shirt