score_9, score_8_up, 1boy, solo, male focus, killua zoldyck /(hunter x hunter/), killua zoldyck, hunter x hunter, hxh, white hair, blue eyes, short hair, shorts, (slim), android, (cyborg), metal limb, chest plate, prosthetic, metallic, rust, (cyberpunk), blade runner, cowboy shot, bare legs, jacket, open jacket, open clothes, navel, science fiction, dirty, rating_explicit, from below, looking at viewer, masterpiece, best quality, very aesthetic, handsome, cute, outdoors, city, neon lights, night, dusk,