正体は

masterpiece, best quality, extremely detailed, anime screencap, steampunk, 1girl, solo, 17yo, large breasts, white one-piece blouse, open clothes, bow tie, black corset, white pleated skirt, black silk hat, black cape, white glove, beautiful detailed face and eyes, (evil grin:1.1), white hair, side ponytail, hair flaps, orange eyes, (holding masquerade mask:1.2), hair between eyes, luxury room, darkness room, wall luxury picture