1girl, animal_ears, bed_sheet, blush, border, breasts, camisole, cleavage, closed_eyes, daiwa_scarlet_(umamusume), dolphin_shorts, greyscale, hair_intakes, horse_ears, horse_girl, horse_tail, large_breasts, long_hair, monochrome, open_mouth, shibasaki_shouji, short_shorts, shorts, sleep_talking, sleeping, solo, speech_bubble, sweat, tail, umamusume