He is the character of the day during "I Love Taiyaki! ~Father and Son's Secret~".
Kazuya is an attention seeker who often gets Nishizawa-sensei into trouble. His father runs a taiyaki (fish-shaped cake) store. He wants to be more successfull with his taiyaki than his father someday.
Kazuya has short, curled, greenish hair and green eyes. He is smaller than the average. His skin is slightly browned.
He wears a purple-yellow shirt and light-brown shorts. His shoes are purple and yellow and his socks are white.
- He once tried to invent new taiyaki with vanilla, banana, pineapple and rice