1girl, arknights, black_dress, breasts, chest_strap, cleavage, demon_girl, demon_horns, detached_collar, dress, ekuesu, hair_between_eyes, hair_intakes, halo, horns, large_breasts, long_hair, purple_eyes, red_hair, short_dress, simple_background, sitting, solo, spread_legs, surtr_(arknights), sweat, sword, weapon, white_background