Farming Boy With A Magic Ring

As an ordinary farmhand, He had a fortuitous encounter after being shot at with a black gun. 
From then on, he started a life of cheating, saving lives with medical skills and farming with spiritual water. 
Although there were many beauties by his side, he had only taken one ladle of the water despite the fact that he had lost three thousand! 
See how a small farmer can lead everyone to the fields of science and technology, and how can he expand our traditional medicine!