Doomsday Is Coming: Activate the Zombie Upgrade System

The end of the world is coming, and a mysterious virus has descended on the world. My name is Muchuan, I used to be a good person. Later, I was abandoned by my companions, and I suddenly had an epiphany. In the face of interests, feelings seem insignificant. But this is not a bad thing, I also got the zombie upgrade system as a blessing in disguise. From now on, I want to live a prosperous life in this zombie-infested world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.