Kazui's Zanpakuto.

OK, so, while we won't see the little guy in action soon, I have been wondering what his zanpakuto's power can possibly be if influenced by his parents' powers. My theory is this:

Zanpakutō Name: Seigetsu (清月, "Pure Moon")

Release Command: "Hirake, Seigetsu" (開け, 清月, "Open, Pure Moon")

Upon release, Seigetsu takes the form of Kazui's normal katana which is shimmering between silver and golden hues.

Shikai Ability: Seigetsu can absolutely cut or restore anything it or its reiatsu touches. When using the offensive part of his sword, the blade glows completely silver and gold when it restores something.