Apocalypse: Difficult to Deal With, My Sister Turns into a Zombie at the Beginning

The night of the full moon is for the introduction! Infected people will mutate on full moon nights! The end is coming! Zombies break out, animals mutate, and humans realize that the end of the world is coming! Walker traveled to a world where the apocalypse had come, but he didn't expect his sister to turn into a zombie at the beginning. Fortunately, Walker has a system that can obtain power and abilities from the contractor! He is the end of the world and the leader of a new era! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.