She is the main female protagonist from Lil Miss Vampire Can't Suck Right.
Here is the whole outfit prompted
Luna Ishikawa, blue eyes, pointy ears, fangs, painted nails, gray hair, side ponytail, sidelock, hair over one eye, white collar shirt, red scrunchie, black kneehigh socks, brown loafers, green pleated skirt, oversized maroon cardigan falling off, white collared shirt
