Rice, Flour, Grain and Oil Shop? Please Call Me the Ancient Munitions Depot!

The warehouse of Kaixin Grain and Oil Store was struck by lightning, accidentally opening a space-time passage leading to a thousand years ago—— Two customers from thousands of years ago arrived unexpectedly: "Rice, white flour, and refined salt! They are all of the highest quality!" Yang Kai: "Great, my sister's treatment expenses have been settled!" When modern goods began to circulate thousands of years ago, the name of Kaixin Cereals and Oils Store was completely established—— Anling County Magistrate: "Mr. Yang, can you increase the food quota for our county? I happen to have two girls of the right age who are considerate..." Border General: "Boss Yang, there is insufficient military supplies on the front line. Can you purchase a batch urgently?" Emperor Liang: "Yang Aiqing, in this year of great disaster, please help me share my worries!" Yang Kai: "It's easy to talk. Don't talk about feelings. Talking about feelings will hurt money..."