The Old Man's Portal to Riches

An old man, a supermarket owner, discovers his warehouse connects to a magical otherworld. Cultivators there lack modern necessities; instant noodles and toiletries are valuable. He seizes the business opportunity, reselling items between worlds. He trades snacks and goods for Spirit Stones, herbs, and treasures. He befriends cultivators, resolves conflicts, establishes cross-plane trade, and makes a fortune. A comedic story of cross-world trade and resource collision.