One Piece: The Strongest Creation System

Ye Meng accidentally traveled to a world similar to One Piece, and he found himself to be Nami's brother.
In this new world full of adventure and danger, Ye Meng awakened the strongest creation system, which can summon powerful characters from his previous life.
He summoned legendary characters such as Esdeath, Uchiha Madara, Saitama, Aizen, Tushan Honghong, etc.
However, the arrival of these characters caused chaos in the world.
The collision of different forces and the conflict of ideas made the world more complicated.
The world of One Piece became more chaotic because of Ye Meng.