Time: September, the fifth year of Jian'an (200 CE). Guandu. Cao Cao has run out of provisions and has already written to Xun Yu in Xudu, preparing to withdraw his troops.
Protagonist: Liu Ming. In modern times, he was a quartermaster in the Joint Logistics Support Force, with eleven years on the job. He managed grain, fuel, and clothing and equipment. His most famous feat was figuring out from a stack of warehouse receipts that a certain unit had falsely claimed hundreds of thousands of jin of supplies.
After transmigrating, he became a lowly bookkeeper in the baggage battalion of the Chancellor's residence, without even an official rank.