The Sister of Doomsday Is a Zombie

The protagonist Ye Ming traveled to the end of the world, but his sister turned into a zombie. Just when he thought he was going to be eaten, luckily there was a system. From then on, the protagonist began to raise zombies. Ps: There is only one female protagonist in this book, and she is the younger sister. In addition, the younger sister is not a biological sister, has no blood relationship, and is not incest. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.