In a world filled with magic and mysteries, Alex found himself reincarnated into the Black Clover universe. As his eyes opened, he realized that he now possessed a system—the Evolution System. This system would play a crucial role in his journey through various worlds with unknown evolutions. **************************** He will enter different worlds. The story contains adult content(R18) read at your own risk. This is my first time writing fanfic and there will be some mistakes.