seiji (artman), tokai teio (umamusume), umamusume, absurdres, commentary request, highres, 1girl, :d, animal ears, bikini, blue shorts, blue sky, blush, breasts, cleavage, cloud, collarbone, day, eyewear on head, hair between eyes, hair ribbon, holding, holding water gun, horse ears, horse girl, horse tail, looking at viewer, medium breasts, ocean, open mouth, outdoors, pink ribbon, ponytail, ribbon, shorts, sky, smile, solo, sunglasses, swimsuit, tail, water gun