Shinemon Nitta, more popularly known as Shin Nitta, is the uncle of Misaki Tokura, and in the Cardfight!! Vanguard anime and manga, he is the manager of the first Card Capital store. He is knowledgeable about the Cardfight!! Vanguard card game, and teaches customers new to the game when he is available. He acts Team Q4's coach during the Japan National Tournament and VF Circuit.