I Picked up a Girlfriend in the Zombie World

The end of the world suddenly broke out. In this world where zombies were rampant, I accidentally rescued a girl and had a relationship with her. I took her to escape all the way. The dark and terrifying world has been holding on to us tightly. Where should she and I go? Can the world return to its previous life? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.