Active Heart
The Black King is dealing with the aftermath of the conquest of Carneades. Simultaneously, on the other side of the empire, the Drifters are preparing for backlash and starting to grow their own ambitions.
Aired 28/10/2016EP 4 - Active Heart

2016
DRIFTERS
The story centers around Shimazu Toyohisa, the real-life samurai who fought in the pivotal Battle of Sekigahara. In his dying moments, Shimazu is transported to a world of magic with other famous warriors throughout history. These warriors are forced to fight each other in an endless battle.
(Source: Anime News Network)