1girl, alternate costume, animal ears, arknights, black background, black choker, black dress, breasts, cat ears, choker, cleavage, collarbone, dress, eyeshadow, grey hair, grey thighhighs, large breasts, long hair, looking at viewer, makeup, parted lips, schwarz (arknights), shizukugu03, sitting, sleeveless, sleeveless dress, solo, spaghetti strap, thighhighs, thighs, very long hair, yellow eyes