When Spirit World's last king's corrupt ways come back to haunt them, our protagonists must reunite once again to save the worlds.

When the long lost first Captain of Squad 10 is found by a couple of kids in Rukongai, Hitsugaya and the rest of Squad 10 will find themselves involved in a battle they never could've imagined. Takes place at the end of the Bleach manga (not including the Hell one shot).