I Just Transmigrated, and My Younger Brother Is Donquixote Doflamingo

Roy transmigrates to the world of One Piece and becomes the eldest brother of Donquixote Doflamingo, from the Donquixote family, after just having his Celestial Dragon status stripped away.

From the start, he faces the pursuit of one unruly commoner after another.

Fortunately, he binds a Soul-Capturing System that lets him fuse with the souls of powerful figures from different worlds and acquire their abilities.

From the start, he fuses with the soul of Yujiro Hanma and is rewarded with an extreme physique: the Demon Back.

He fuses with the soul of Himura Kenshin and is rewarded with the swordsmanship legacy: Hiten Mitsurugi-ryu.

He fuses with the soul of Qin Shi Huang, Ying Zheng, and is rewarded with the title of Greatest Emperor of All Time: Imperial Authority.

He fuses with the soul of an adult Uchiha Madara and is rewarded with the bloodline limit: Eternal Mangekyo Sharingan.

Years later, at the Holy Land of Mariejois.

A figure stands tall above the heavens, arms spread wide.

"Let the world feel pain!"

"Shinra... Tensei!"

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