nanaken (qijian23092715), agnes tachyon (umamusume), umamusume, absurdres, highres, 1girl, ahoge, animal ears, brown eyes, brown hair, coat, dress, grin, holding, holding vial, horse ears, horse girl, horse tail, lab coat, looking at viewer, no shoes, purple dress, purple sailor collar, purple thighhighs, sailor collar, school uniform, short hair, single sleeve past fingers, sitting, smile, solo, tail, thighhighs, tracen school uniform, vial, white coat, zettai ryouiki