DRIFTERS
Drifters
is a fantasy, alternate history Japanese manga written and illustrated by Kouta Hirano. The manga started serialization in Shōnen Gahosha's magazine, Young King Ours on April 30, 2009. It centers on various historical figures summoned to an unknown world where their skills and techniques are needed by magicians in order to save their worlds from total destruction.
The above text is a snippet from Wikipedia: Drifters (manga)
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