Erase a person on a flight of stairs、Make it the background of the stairs

(nsfw:1.5),(EasyNegative),(One character has more than two legs:1.4),(three legs:1.4),(three hand:1.4),(bad fingers),(worst quality, low quality),lowres,bad anatomy,bad hands, text, error, missing fingers,extra digit, fewer digits, cropped, worstquality, low quality, normal quality,jpegartifacts,(signature), (watermark), username,blurry,more than five fingers in one palm,no thumb,no nails, bad piano, multiple piano, yellow scale, collar, dress