We Are at the End of the World, Occupy the Girls Dormitory at the Beginning, Please Don't Disturb!

Dark seeds fall from the sky, doomsday comes, zombies attack, the world order collapses, mysterious businessmen randomly appear in every corner of the world, and humans can collect crystal cores to exchange for various items and abilities! Elemental power users and beast-turned-power users emerge in endlessly. The weak eat the strong. The strong are like human emperors, standing aloof and controlling the life and death of the weak! When he woke up, Qin Xuan found that he was reborn three years ago before the doomsday erupted, activating the doomsday disaster system. The second sister turned into a zombie, and the eldest sister died trying to save her? No! In this life, he not only wants the tragic experience to never happen again, but also wants to be the god who is superior to all living beings. The first step is to occupy the girls' dormitory... PS: After reading the five chapters and feeling that the main text is not exciting, feel free to comment in the comment area! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.