1girl, arknights, ass, bare_arms, bare_back, bare_shoulders, blue_hair, blue_shorts, blue_sky, ch'en_(arknights), ch'en_the_holungday_(arknights), cloud, cowboy_shot, day, dragon_horns, dragon_tail, eyewear_on_head, hat, holding, holding_clothes, holding_hat, horns, long_hair, looking_at_viewer, nocta_felis, outdoors, red_eyes, short_shorts, shorts, sky, solo, standing, sunglasses, tail, thighs, unworn_hat, unworn_headwear