I Defected from the Navy, Then Tricked Kaido into a Marriage Alliance at Marineford

Allen gained the ability to extract Devil Fruits and betrayed CP0, the strongest shield, from the start.

Hunt down ability users!

The Float-Float Fruit!

The Op-Op Fruit!

The Rumble-Rumble Fruit!

He collected every powerful Devil Fruit and built the strongest pirate crew!

Sengoku: The Allen Pirates are even stronger than the Red Hair Pirates in terms of average bounty!

Shanks: He is the man closest to the throne...

Whitebeard: Allen is the one man truly worthy of being called the strongest!

Kaido of the Beasts: Allen, I'll give you my daughter in marriage. Let's join forces and launch the greatest war the world has ever seen.

And so,

The two Emperors joined forces at Marineford, shaking Imu to the core!

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