Doomsday Disease: I Actually Became the Culprit

By chance, he traveled to a different world. Unfortunately, this world has been infected by a strange virus, and the protagonist Brian actually became the culprit of the disaster in this world. No matter who saw him, they wanted to kill him. Fortunately, after awakening the genetic upgrade, you can kill any mutated creature to improve yourself. While Brian is investigating the truth of the world, he is also constantly improving his strength. Finally one day he found that it was already difficult to die even if he wanted to. And the world was transformed by him into what he wanted it to be. Brian said: "Since you have falsely accused me of being the culprit, then I will try to be the culprit!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.