shiruko (oshiruko), agnes tachyon (tach-nology) (umamusume), agnes tachyon (umamusume), umamusume, highres, 1girl, ahoge, animal ears, blush, brown hair, chemical structure, closed eyes, earrings, hair between eyes, horse ears, horse girl, horse tail, huge ahoge, jewelry, lab coat, long sleeves, medium hair, necktie, open mouth, scenery, shirt, short hair, short necktie, single earring, sleeves past fingers, sleeves past wrists, smile, solo, sweater, tail, test tube, wolf cut, yellow sweater