Global Catastrophe: I Sell the System

Global catastrophe, sudden emergence of infected people. Facing the invulnerable infected, everyone is helpless and their survival is seriously threatened! At this moment, Su Fan traveled through time! He came from time travel with his own system, but he had a debuff, and the probability of blood crystals exploding from an infected person was lower than that of ordinary people. But he could share items and skills with other people, so he had to become a second-hand dealer in the system! "Don't miss it if you're passing by. Come and take a look at the freshly released equipment in the store. This is an artifact that has a special attack +20 against infected people!" "Big discount for old customers. We are now selling attribute points. Do you want to be as strong as an ox, walk as fast as flying, be more resistant to being beaten than an infected person, and become a superman? Whether it is strength, speed, or physical points, we have it all here!" "Flash, ignite, fly, invisibility, Alpha strike, Yoshiura, you can't think of it, you can buy it!" Starting from this day, the world changed! A mysterious businessman appears in the apocalypse, and his products make everyone crazy! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.