j@ck, agnes tachyon (umamusume), umamusume, highres, 1girl, ahoge, animal ears, bare shoulders, bikini, breasts, brown hair, cleavage, collarbone, earrings, hair between eyes, horse ears, horse girl, jewelry, lab coat, large breasts, long sleeves, looking at viewer, medium hair, open mouth, red eyes, single earring, sleeves past fingers, sleeves past wrists, smile, solo, swimsuit, teeth, wet, white background, yellow bikini