The background is a

M9 Bot 更新时间：2023-11-13 00:29:04
提示词：The background is a wallpaper of a female hero holding a gun, featuring concise new popular illustrations, quirky comic art, neon realism, derppunk, rangefinder lenses, and dreamy portrait paintings, commissioned for production --s 750 --ar 9:16 --niji 5

中文提示词：The background is a wallpaper of a female hero holding a gun, featuring concise new popular illustrations, quirky comic art, neon realism, derppunk, rangefinder lenses, and dreamy portrait paintings, commissioned for production --s 750 --ar 9:16 --niji 5 一键画同款
素材来源：M9绘画官网