When I Was Nine Years Old, I Used Dog-Skin Plasters to Solve the World's Problems.

In this bustling metropolis, Zhou Li, a 9-year-old miracle doctor, has superb medical skills and is unrivaled in the world. Every word is fun! One day, Zhou Li, the country's leading medical expert, time-traveled into a child. But even though this child was only 9 years old, he had more power, more intelligence, and more shocking medical skills than an adult...