1girl, arknights, bandeau, breasts, cleavage, coat, crop_top, grey_background, half_updo, hand_up, horns, long_hair, looking_at_viewer, midriff, multicolored_hair, navel, nian_(arknights), open_clothes, open_coat, pointy_ears, purple_eyes, red_hair, simple_background, smile, solo, stomach, strapless, streaked_hair, suzutaro, tube_top, upper_body, white_coat, white_hair