One Piece : Kaido Brother

The Onigashima War ends. Kaido falls.But the true legend is just waking up.Slumbering for more than thirty years beneath Onigashima, Caesar – elder brother to Kaido, the Users of Zoan type Fish fish Fruit Model : KunPeng, the figure who idolize by Big Mom and feared by young Whitebeard – explodes back into the world.He sees his brother defeat as weakness.The Sun God Nika? Just a passing dudes. Admiral Ryokugyu? An insect.A world-shaking roar erupts from the exploding center of Onigashima, a terrifying aura pierces the clouds, shockwaves tearing apart the sky!"KAIDO! My foolish little brother! You've finally been defeated!""After sleeping for thirty years, I, Caesar! Will destroy this boring world, Borororo!"[AU: There's a slight difference from this fic and the original works, for example, Caesar and Linlin have four sons together: Perospero, Katakuri, Daifuku, and Oven. The others were adopted by Linlin and their age is 10 years younger]