safebooruhttps://safebooru.org/index.php?page=atom&tags=1girl absurdres agnes tachyon (umamusume) ahoge animal ears black shirt brown hair calculus chemical structure commentary request dark background earrings equation eye trail hair between eyes highres horse ears horse girl jewelry lab coat light trail looking at viewer math open mouth physics red eyes ruisuke shirt short hair single earring sleeves past fingers sleeves past wrists smile solo teeth umamusume upper body upper teeth only2024-05-26T02:34:07Zsafebooru