After inheriting a closed convenience store, I became the only post manager of the Three Realms Post Station.
Instant noodles are exchanged for elixirs, power banks are rented to the demon king, and sunscreen is sold to vampires. The Yin De system settled, and the Lord of Hell actually owed me 300 million!
Princess Qingqiu works for me, and the tombkeeper of Ten Thousand Demons Tomb acts as my security guard. I thought I could safely become the richest man in the world, until various forces came to my door and asked me to hand over the "key" to the station.
The truth behind Grandpa's disappearance is revealed - this convenience store does not deal in commodities, but in the balance of the three realms.
And I, a mortal postmaster, am about to negotiate a business deal that affects the survival of all things.
