Doomsday Mutation: I Somehow Became the Mastermind

By a stroke of luck, Brian transmigrates to another world. Unfortunately, the world has already been infected by some strange virus, and Brian turns out to be the one responsible for its disaster.

Everyone who sees him wants to kill him.

Luckily, he awakens Gene Enhancement, which lets him grow stronger by killing any mutated creature.

As Brian investigates the truth about this world, he continues to increase his strength.

At last, one day, he discovers that even dying has become difficult.

And he has reshaped the world into the place he wanted it to be.

Brian says,