Big Kidney

Night falls.
In an ordinary food stall in the Biannan District, several middle-aged men were drinking cold beer and eating grilled skewers with great interest, and hearty laughter could be heard from time to time.
"Master Qin, this is your favorite kidney. I'll add more chili and cumin according to your request. I guarantee you'll be satisfied. Please enjoy it."
The food stall owner smiled and placed a few skewers of fragrant kidneys on the table, "Master Qin, please taste it and see...