Doomsday: Zombies Appear on My Campus for the First Time

I live in a world full of zombies. This world is very strange. There are system merchants. We can exchange the crystals in the zombies with the system merchants for items, ultra-rare blood, skills, professions, weapons, etc., And I am one of the luckiest people in this world, but also the worst person. I lead all the surviving humans in the apocalypse to the capital Beijing, meet with the national leaders, and lead the Chinese people to survive. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.