sunomono, marvelous sunday (umamusume), nice nature (umamusume), umamusume, highres, + +, 2girls, :o, animal ears, black hair, brown eyes, brown hair, closed mouth, collared shirt, dark, green pajamas, green shirt, horse ears, horse girl, indoors, leaning to the side, looking at another, looking at object, lying, medium hair, multiple girls, on bed, on stomach, open mouth, pajamas, pants, papercraft, pillow, shirt, smile, standing, trophy, twintails, yellow pajamas, yellow pants, yellow shirt