1girl, alternate_hairstyle, animal_ears, architecture, closed_eyes, curtains, ears_down, east_asian_architecture, futon, horse_ears, horse_girl, horse_tail, medium_hair, messy_hair, nice_nature_(umamusume), photo_background, pillow, robe, shouji, sitting, sleepwear, sleepy, sliding_doors, smile, solo, soramuko, tail, umamusume, waking_up, wariza