Yi Bendao used to work in a factory making condoms, but he accidentally stumbled into a world of germs called the Dark Universe.
These products are sold in supermarkets and pharmacies, especially in supermarkets, where they're often displayed near the cash registers.
People often use them when dating or having affairs to avoid creating new life or getting infected.
That's right, Yi Bendao has taken on a historic mission: to eliminate germs and carry the banner for these products.