Mr. Wakui is an old man, he has gray hair and bald in the middle part, except for one gray stoke of hair kinda like a ahoge. He has black eyes.
He usually wears a white chemise shirt and a neck strap string attach to a id card, brown pants and black shoes.
He's a nice old man who's always very supportive towards Kanon and Haneru, he's also the very first person who acknowlegde their dancing. Haneru once danced for him after he got back from Dance Road with him team. He has always been a friendly and trustworthy person to Haneru and Kanon.