Pick up a Zombie as a Backer

Before the end of the world, at the beginning of the Yuan Dynasty, he picked up a person. After the end of the world, the person she picked up became her biggest golden finger. Yuanchu: QAQ It's a good habit to pick up things... Ps: overhead! Su Shuang! Sweet pet! In the early stage, the heroine is a weakling, and there will be a psychological and physical transition period. Pss: The male protagonist is not human, nor is he a real zombie. He has a special race, so be careful if you don't like it.