Bleach: The 3rd Phantom

The plot, which takes place in an Alternate Continuity, comes from Tite Kubo himself, and introduces four new characters, the Twins Fujimaru and Matsuri and their adoptive family Konoka and Seigen Suzunami, thrown through time after Arturo Plataedo attacks the soul society and is stopped by an object known as the Shisui Mirror.