After Toyohisa Shimazu is critically wounded while holding the rearguard against the Eastern Army, he finds himself suddenly transported to a different world. There he meets others like himself, transplants from Earth called Drifters who have been recruited to fight a war against an implacable foe who wishes to eradicate all human life.
A mix of hyper-violent action scenes and picture-drama style comedy skits. While it involves characters from a wide variety of time periods, it mainly depicts warfare out of the medieval and Sengoku eras.
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