Opening Family System: Bind the Charlotte Family

My name is Joey, a time traveler, and my mother is the aunt of one of the Four Emperors!But now he is only 16 years old, as for who is the father?this……
As the eldest son of the Charlotte family, my mother became a pirate, and I also obtained the family system, which was directly bound to the Charlotte family.
Develop the family, cultivate members, and you can get promoted!
Or even an interdimensional family war?
Under my own training, Snuggle fights Akainu!Smoothie disdains Kaido!Cracker single challenge country!Katakuri defeats Whitebeard!
As for mom?One person singled out Karp, Sengoku, and Zefa!
"No way! No way! In this era, does anyone still think that the power of one person can change the situation of the battle?"