During the Battle of Sekigahara against Ii Naomasa and his army, Shimazu Toyohisa manages to mortally injure Naomasa, but is critically wounded in the process. Naomasa's army is forced to retreat due to Toyohisa's perseverance and resilience. As he walks from the battlefield wounded and bleeding, Toyohisa finds himself transported to a corridor of doors, where a bespectacled man at a desk waits for him...