Lu Guang has a tall, thin, similar build to that of Cheng Xiaoshi's, with pale skin, long lashes and steel-grey eyes. He has white fluffy hair that reaches up to his ears, often drawn swooping upwards in whatever direction he happens to facing, and dark eyebrows that contrast with his light hair, Lu Guang is often described as a calm, albeit slightly stoic and uptight character. In comparison to Cheng Xiaoshi, he is usually considered the more mature of the two