MTL - Ascend Another Day - Chapter 558 I am not wrong!

Crossing to One Piece world, he became Roger’s younger brother.

An Unexpected Turn: Villain Becomes DadIn a hilarious twist of fate, Yang Chen is reborn as the brainless villain in a romance novel, already at odds with the destined hero, Lin Yan. Knowing he can’t directly challenge him; Yang Chen makes a strategic move – saving Lin Yan’s mother from a chronic illness.This act of kindness blossoms into love, and a year later, they welcome a child. Yang Chen, hoping for a peaceful family life with his wife and son, is met with a shocking system notification:[Host’s son is born, plundering his elder brother, the male lead’s Providence Luck by 3000 points!] [The Great Villain System is officially activated!]The system throws Yang Chen’s plans into chaos. He’s forced to become the antagonist he was originally destined to be, but with a hilarious twist – his target is now his own stepson!

The Gura Gura no Mi is known as the strongest fruit in the world of one piece.

Turned into a vampire with no political backing, wealth, or power, Dylan immediately tries to become the strongest there is. Facing numerous dungeon breaks and a coming invasion of unknown origin, Dylan must do everything he can to fight back. In the process, Dylan tries to make the world a better place in his way, by taking control of as much land and women as he can. Watch as Dylan amasses power and influence among monsters and humans and rises to the top in more ways than one.