Fukushuu no Taishi – Level 9999 no Bakumatsu Isekai Tensei

During the end of the Edo Period, the Shinsengumi are suddenly transferred to another world. As they arrive, a guide from the other world, Hangya, appears and tells them, “There’s only one way for you all to return to your former world. Please, defeat the Demon Lord.”
This is a tale of the weakest warriors becoming the strongest.
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