1girl, alternate_costume, alternate_hairstyle, animal_ears, ass, ass_focus, bent_over, blush, brown_hair, collarbone, come_hither, comic, futon, horse_ears, horse_girl, horse_tail, long_hair, looking_at_viewer, looking_back, ooba_jun, pajamas, pillow, solo, tail, tokai_teio_(umamusume), twitter_username, umamusume, window