Haruka has straight waist-length black hair that he wears in two long braids. He has dark purple eyes, pointed ears, and is fairly tall with broad shoulders and a thin waist.
Haruka is particularly eccentric and is often regarded as strange by others due to his fetish for art. He acts in a cheerful and aloof manner. He also likes to annoy and irritate his fellow students in the cram school. Despite this, he often makes time to hang out with them and is generally pretty friendly.