When the End Comes, I Take Out the Immune Serum

Chu Yun obtained the Doomsday Technology Collection, but the doomsday has not yet come. After ten years of waiting, the end of the world has finally arrived. Zombies are rampant, biting people everywhere and infecting all mankind crazily! All mankind fell into panic and the world was in chaos. Chu Yun was extremely calm and anonymously handed over the instructions for making the immune serum to the officials. Officials relied on the instructions to create the serum and quickly mass-produced it. All mankind is saved! But as for the hero who anonymously sent the serum formula, no one knew who he was. Ordinary people: "This unknown hero saved all mankind!" Scientific research boss: "The value of a serum formula alone even exceeds that of the entire National Academy of Sciences!" Military and political chief: "This person is too important. If I know his identity, I will send a division to protect him!" Tsinghua University campus beauty: "It feels weird. I always feel that the unsung hero people talk about is this handsome guy who lives in my house..." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.