Another soul surviving in a god forsaken apocalypse world

It all started at a dark storm, zombies roam the street as animals that was once not a threat to human became lethal at a single strike, Hu Zhu now has to survive this god forsaken world. Along with a few survivors, she has to not only watch out for the monsters is outside the safety of walls, but also watch others survivors closely to not get betrayed. As she grows stronger she learned to trust certain people but to keep someone is a difficult task to her who is emotionless. book cover: https://www.wallpaperflare.com/anime-girl-sword-dress-black-hair-magic-wallpaper-bntea [Blood warlock fanfic]