nanaken (qijian23092715), agnes tachyon (umamusume), umamusume, highres, 1girl, ahoge, alternate costume, animal ears, bandaged head, bandaged leg, bandages, bat (animal), belt, black cape, black jacket, black pants, blush, breasts, brown hair, cape, cork, earrings, english text, fangs, full body, hair between eyes, halloween, halloween costume, holding, holding test tube, horse ears, horse girl, horse tail, jack-o'-lantern, jacket, jewelry, long sleeves, looking at viewer, medium hair, necktie, open clothes, open jacket, open mouth, pants, pumpkin, red eyes, shirt, shoes, short necktie, silk, single earring, skin fangs, sleeves past fingers, sleeves past wrists, smile, socks, spider web, tail, test tube, thigh strap, white shirt, white socks