When I was 6 years old, a couple aged 60 and 70 came across from my house. I rely on traditional Chinese medicine to treat people. The protagonist often ran to play when he was a child. The couple liked it very much and invisibly taught the protagonist everything they had learned throughout their lives. As soon as the protagonist feels it is fun, he learns while playing. How would he know that the man and the couple who taught him were called the Nemesis of the King of Hell, and the woman was called Guanyin in the World. They are all the most powerful beings in the field of Chinese medicine.
