Doctor’s Rebirth

I went abroad for a medical volunteer trip, and the next thing I know, I was dead because I took the bullet for a patient to save him from a rebel soldier. When I finally opened my eyes again, I realized I had become a child, and I was standing in some strange place with a wrecked carriage and a group of weird people with weird clothes lying unconscious on the ground. As I rushed to perform some basic first-aid to try to save them, I realise that I had been transferred into the world of [The Supreme Demon King], a Murim novel that I enjoyed reading very much. After the encounter, I found out that the one I saved was the future Demon King "Yeoharyun" and he told me to become his brother since he owed me his life once. Along with the Demon King, I also become brothers with Baekrineuison, one of the most knowledgeable people in the world. And just like that, my story of becoming the best physician in Gangho begins.