He Was Sold After Traveling Through Time, and Fled with His Younger Siblings.

Fu Yunxi, a genius medical expert in the 21st century, traveled back to the troubled times of ancient times due to a laboratory explosion. He took his brothers and sisters to the mountains to take refuge. They lived in caves, dug wild vegetables, gathered herbs, hunted, made seasonings, and squeezed nuclear oil... If you have CP, it's not easy to code. If you don't like it, don't complain.