Kaigaku
About
Kaigaku was a demon slayer in the Demon Slaying Corps, and Zenitsu Agatsuma's senior disciple under Jigoro Kuwajima.
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He became a demon to save his own life and became Upper Moon Six of the Twelve Demon Moons, replacing Daki and Gyuutarou. He was killed by Zenitsu as retribution.
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