Alternative
Crown Prince Sells Medicine / The Crown Prince Who Sells Medicine / The Medicine-Selling Crown Prince / 약파는황태자 / Наследный принц, который продает лекарства
I’m the crown prince? The frail and sickly crown prince in the novel? But I’m a traditional Korean doctor who specializes in medicine. I guess it can’t be helped. Reforming internal constitution, recovering energy, invigorating vital energy, and increasing vitality. I’ll take care of my body from now on.