Young emperor once suffered from a weird disease, being full of rashes and itching fiercely. All of the imperial physicians could do nothing against such disease. As he was upset, emperor walked out of palace to relax and wandered into a drug store. The shopkeeper prescribed him the cheap drug which was put into water during his bath. According to the prescription, emperor recovered three days later. In order to appreciate the shopkeeper, he decided to nominate him as an imperial physician, however, the shopkeeper made another decision…