2girls, ahoge, alternate_costume, animal_ears, ass, bare_shoulders, black_border, black_shirt, black_shorts, blue_eyes, border, cat, dreaming, ears_down, girl_on_top, grey_shirt, horse_ears, horse_girl, horse_tail, hug, katsuragi_ace_(umamusume), midriff, midriff_peek, mr._c.b._(umamusume), mukakin, multicolored_hair, multiple_girls, pants, pillow, shirt, shorts, simple_background, sleeping, smile, streaked_hair, tail, thought_bubble, umamusume, white_background, white_pants, x_navel, yuri