shijimi (sijimi1917), eishin flash (umamusume), umamusume, absurdres, commentary request, highres, 1girl, alternate costume, animal ears, bag, black hair, black pants, black shirt, blue eyes, blush, bob cut, breasts, brown bag, casual, clothes around waist, cropped legs, ear scrunchie, grin, hand on own hip, hand up, head tilt, holding, holding bag, horse ears, horse girl, horse tail, looking at viewer, medium breasts, medium hair, pants, parted lips, plaid clothes, plaid shirt, raised eyebrows, shirt, shirt around waist, shoulder bag, sideways glance, simple background, smile, solo, standing, tail, tank top, teeth, white background, white tank top