Kingdom Hearts χ (anime)

Kingdom Hearts χ (キングダム ハーツ キー, Kingudamu Hātsu Kī) is an ONA anime by Square Enix that aired on Disney+ on February 10, 2022. It is a series of anime original short films with a story focused on Kingdom Hearts χ series, created by Geno studio. The initial release of this anthology series was announced to have eleven episodes.

Official Description
It is based of the Kingdom Hearts series that are primarily set in the ancient past, during the "age of fairy tales" and canonically take place before Kingdom Hearts Birth By Sleep.

Trivia

 * This will be the third anime collaboration between Square-Enix and Disney, also the second Disney anime series not to be produced by Madhouse.