One Piece: The Demon Tribe Joins Kaido at the Beginning

(Not a saint)(Mythical beast)(Hiyori kills Momonosuke)(Pirate camp)(Not a magic change)

A novelist was typing when he suddenly traveled through time for unknown reasons.

The sky collapses at the beginning, and from the beginning he is trapped in a cage like a slave.

Because of hunger, he accidentally ate a particularly unpalatable fruit, and his body underwent some special changes.

He unexpectedly discovered that he was from the demon clan and was of the same clan as the Four Emperors Kaido.

After being rescued by Jin, he resolutely decided to join the Beasts.