1girl, arknights, black_jacket, blue_hair, breasts, ch'en_(arknights), ch'en_the_holungday_(arknights), cleavage, dragon_horns, hair_between_eyes, horns, jacket, kajuu, large_breasts, long_hair, long_sleeves, looking_at_viewer, red_eyes, simple_background, solo, upper_body, white_background