Rule 34 Dev - 1girl arknights black_halo black_jacket blood blood_on_clothes blood_on_face blue_eyes blue_hair dark_halo demon_horns energy_wings fallen_angel fur_trim halo horns jacket long_hair looking_at_viewer melon22 mostima_(arknights) open_clothes open_mouth shirt simple_background solo tail white_background white_shirt|25631868015