Drifters manga omnibus volume 1 collects volumes 1-3 and features story and art by Kohta Hirano, the creator of Hellsing.

Warriors and warlords from Earth's history—"Drifters"—are transported to an alien world and employed to help the non-human races defend themselves in a worldwide civil war with legions of monsters led by the malefic Black King threatening the annihilation of both human and non-human races. Included in the menagerie of fighters from Earth are samurai warrior Shimazu Toyohisa, Joan of Arc, and Hitler! Drifters is a howling tornado of all-out action and staggering imagination.