1girl, alternate costume, animal collar, animal ear fluff, animal ears, arknights, bangs, belt collar, bespectacled, blush, breasts, collar, dress shirt, glasses, grey hair, hair between eyes, huge breasts, kokihanada, looking at viewer, medium hair, nipples, no bra, open clothes, open shirt, orange eyes, parted lips, ponytail, schwarz (arknights), shirt, solo, upper body, white shirt