1girl, alternate_costume, arknights, arm_up, bare_arms, bare_back, bare_shoulders, blue_hair, breasts, ch'en_(arknights), dragon_horns, from_behind, grey_background, grey_sweater, hair_between_eyes, horns, leone_(kamina0205), long_hair, looking_at_viewer, looking_back, medium_breasts, meme_attire, red_eyes, sidelocks, solo, sweater, upper_body, virgin_killer_sweater