Plot concept: Shimazu Toyohisa, whilst involved at the Battle of Sekigahara, manages to mortally wound Ii Naomasa, but is critically wounded in the process.
Kenichi Suzuki is directing it based on the script and composition by Hideyuki Kurata and Yousuke Kuroda.
This man, Murasaki, sends Toyohisa into the nearest door where he wakes up in another world.