1girl, arknights, ass, bikini, black_bikini, breasts, cowboy_shot, demon_horns, earrings, hair_between_eyes, hair_rings, hand_in_own_hair, hand_up, horns, jewelry, long_hair, looking_at_viewer, medium_breasts, purple_eyes, simple_background, solo, surtr_(arknights), swimsuit, thigh_strap, veilrain, very_long_hair, white_background