Kugaya is a teenager who lives with his aunt, Sakuri. The kendo coach at his high school, Narugami, has been after him to join the kendo team; but when he meets the new girl, Takemi, his life takes a supernatural turn and he is thrust into an epic battle with the demonic "intruders." Reincarnation, long buried memories, a Holy Sword, and an entire clan of the swordsmen... It's all too much for a high school student to bear! (Source: Media Blasters)

Kamunagara was partially published in English as Kamunagara: Rebirth of the Demon Slayer by Media Blasters, who published the first six volumes between October 19, 2004 and October 3, 2006. The publisher has since become defunct.