One Piece Child Emperor

"Tong Emperor" Bai Tong accidentally crossed the world of pirates, returned to the age of a 6-year-old child, and ate the fruit of childishness.
The four emperors are known as the emperors of the sea. They are like emperors in the new world in the second half of the great route. They are the four most powerful people among the many pirates. Their prestige and power far exceed that of the king.
Among them, there are the strongest creatures in the world, Kaido, the strongest man in the world, the white beard, the man who has reached the top of the four emperors only by his physical skills, swordsmanship and domineering, red hair, and a man who leads a hundred clans. woman, mama.
There is also a child who has climbed to the top of the four emperors by himself alone, and is known as the strongest child in the world, Emperor Tong!
"Emperor Tong, where are those rare devil fruits that you treasured?" The world was curious.
With tender and agile eyes, his eyes rolled, "Tong Di" opened his mouth softly, "Is it the devil fruit I treasure? Want to know? Exchange it with a lollipop that will satisfy me...