library l1brary (n! koppepan), blaze (arknights), arknights, absurdres, commentary, highres, 1girl, alternate costume, arm over head, arm up, armpits, belt, belt buckle, belt collar, black hair, black leotard, black shoes, black tail, blue eyes, breasts, buckle, cleavage, collar, collarbone, covered navel, full body, groin, hair between eyes, highleg, highleg leotard, kneeling, large breasts, leotard, long hair, looking at viewer, no socks, red belt, red collar, shoes, simple background, solo, strapless, strapless leotard, sweatdrop, tail, tail raised, very long hair, white background