The protagonists are Caesar Coulan and Luffy
It is a parallel world if: Caesar fled from the Science Headquarters and lived in Windmill Village, and then went to sea with the future Pirate King.
It's not serious, so the timeline setting isn't particular.
I just want to write about the interaction between the timid but social original villain scientist and the sunny and cheerful little boy.
*Not cp direction
As long as everyone has fun watching it!
Intention: Just be happy