Riser Phenex? DXD SI. Multicross? - Chapter 33: Arranged Marriage!

War Never ChangesWars have always been the cause of all misfortunes, and in one world, they finally ended forever. But Kreyn didn't like that. He wanted to fight and conquer, and only when his world collided with another did he have that opportunity.He used nuclear weapons to win, to be recognized by the Global Axis, and to transmigrate to the Great Lands, where he had no boundaries.Only by creating stories - the Eposes, and carrying out triumphs could one reach the top in this world. The actions of one could change the lives of millions, and only the Origins were capable of this.From the ruler of his world to a prisoner in a cell, and taking over a prison. This should only be the first step on Kreyn's path to satisfy his hunger for war.

A hundred years ago, he was a genius of the Emperor's Domain who made even the God of War wary. He was unparalleled in both alchemy and martial arts. However, his friend betrayed him, leading to his untimely demise.A hundred years later, he rose from being a dandy young master, starting everything anew. From then on, the world witnessed the emergence of an extraordinary genius.“Boss is even more ferocious than a wild beast!”“Boss values friendship above all else. He is forever my best friend!”“Kevin, no matter how long it takes, I'll wait for you. I won't marry anyone else!”“Don't ever provoke that man of calamity. That guy is a beast!”“I am Kevin Anderson, who dares to defy me?!”

It’s the vacation of a lifetime, a trip to a remote island filled with geniuses and murder.