He refused to believe in reincarnation, but that was long ago, in another life, in a distinct universe. Sent in a world where the strong survives, and the weak perish, made his skin crawl. Luckily, he knows this world—he knows the board, and he knows the pieces.Time to make a move [Self Insert].

One of the strongest players of YGGDRASIL, who took the power of a World Enemy, waits for the shutdown. But instead of being forcefully logged out, Magnus Dragan finds himself in an entirely new world. With his first meeting with a legendary magician, Magnus's presence causes much change in this new world, from one of the strongest players to one of the strongest beings. OcXHarem.

What would happen if after sealing Trihexa, a change occurred in the everyday life of Issei? A change that will completely break him, a change that will put him into a new path, a change that would force the entire supernatural world to take him seriously? A change that will affect everyone, and everything in the world...