Hau has medium long dark green hair that he keeps tied up in a ponytail. His bangs are pulled back and two side of his face. Hau has gentle black eyes. The uniform he wears consist in a white turtleneck shirt with short sleeve, and white pants with two pockets on both sides, it also has white boots and a white flat cap, the uniform has some golden details and a pair of white, long gloves. Hau is kind and friendly, that loves to make friends. Hau has a huge appeite, especially for the malasadas.