background、erase characters

verybadimagenegative_v1.3, EasyNegative,bad-hands-5,bad hands, flat color, flat shading, retro style, worst quality, low quality, poor quality, low res, jpeg artifacts, blurry, cropped, ugly, error, jpeg artifacts, lowers, blurry, bokeh, (bad anatomy:1.5), bad proportions, longneck, long body, deformed mutated disfigured, missing arms:1.2, extra arms:1.2, extra legs:1.2, extra fingers:1.2, extra hands:1.2 , mutated hands:1.2, bad arms:1.2, bad hands:1.2, poorly_drawn_hands:1.2, malformed hands, missing limb, floating limbs, disconnected limbs, bad fingers, liquid fingers, poorly drawn fingers, missing fingers, extra digit, fewer digits, ugly face, deformed eyes, partial face, partial head, bad face, (inaccurate limb:1.2), cropped, text, signature, watermark, username, artist name, stamp, title, subtitle, date, footer, header, logo, split view, grid view, bad composition, ((inaccurate eyes, animal ears, cat ears, fox ears, elf ears)), head band, hair band, muffler,