Seafaring: Becoming Kaido's Disciple, the Strongest Fourth Calamity

Tang Xuan transmigrates to the world of One Piece. Since the System never shows up, he eats an Ancient Zoan Devil Fruit.

With no golden finger to rely on, he can only work hard himself. Tang Xuan decisively joins the Beasts Pirates and becomes Kaido's disciple, then even marries into Kaido's family.

Tang Xuan thinks he'll keep getting by with the Beasts Pirates until the main characters arrive in Wano, then betray his teacher Kaido alongside them.

But three years later...

If Luffy's Gum-Gum Fruit can turn out to be a Mythical Zoan in its Sun God form, why can't my Great Ape Fruit have a Great Sage Equal to Heaven form!

Teacher Kaido, I've got your back. Let's see who dares lay a hand on you!

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.