|“||Hey U-1! Why don't you give it up? You're starting to get on my nerves!||„|
|~ Kazuya in the game's ending|
Kazuya is a bully who bullies U-1 in the 2002 PlayStation 2 rhythm game Gitaroo Man and it's PlayStation Portable port Gitaroo Man Lives!.
Kazuya comes from an upscale residence and is an only child. He gets good grades and is considered popular. He is skilled at riding the skateboard and hangs out with the protagonist U-1's love interest Pico. U-1 attempts to be good at riding the skateboard to impress Pico but ultimately fails and Kazuya picks on U-1 telling him he will never succeed. Kazuya bears a strong resemblance to the game's main antagonist Zowie although the two aren't related. In the game's ending, Kazuya picks on U-1 yet again and he stands up to him by doing a air guitar pretending as it's the gitaroo he mastered and used to fight enemies.