Apocalyptic Hegemony: Beginning with Luffy and JOJO, Be My Brother

After the end of the Three World Wars, nuclear weapons destroyed order and the world was reshuffled, forming a situation in which the seven nations stood in opposition. By chance, Jiang Chengyi obtained the fantasy system, which was able to turn his fantasies into reality. He accidentally summoned Luffy and Jotaro from another world, and obtained the Devil Fruit and the ability to stand in. After that, every time he summons a new character from another world, he will bring new settings to this world, such as Naruto's ninjutsu and FTAE's heroic spirits. Every era has its own hero, and Jiang Chengyi is that hero - he leads the talented Qianyao City battleship, vowing to unify the earth, seize the moon, revenge on Venus, and decisively fight against Mars! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.