1girl, animal_ears, bare_shoulders, bed, bed_sheet, blue_shirt, breasts, brown_hair, cleavage, daiwa_scarlet_(umamusume), hair_intakes, hide_oo, horse_ears, horse_girl, long_hair, looking_at_viewer, messy_hair, open_mouth, shirt, simple_background, sleeveless, sleeveless_shirt, solo, umamusume, very_long_hair, waking_up, white_background