|Nickname||Leader (by MooNs Members)|
Kazu (by Tomohisa Kitakado)
Massu (by Yuuta Ashuu)
|Anime Debut||Season 1 Episode 1: Boy Meets Girl|
|Seiyuu||Yuuto Uemura (上村祐翔)|
Kazuna has short blond hair which is swept to the left.He has blue eyes and he is shown to have a blue piercing on his right ear.
Kazuna has a prince-like personality like Tomohisa. He doesn't say much, but he cares a lot about his friends. The other members of MooNs are fond of him, and his childhood friend is Tomohisa Kitakado. Although the others call him leader, he doesn't prefer to be called that, but accepts it nonetheless. He is also very modest.