The Max-Level Doctor Returns

Kim Yoon-chan, a thoracic surgeon who lived his life as a hunting dog, obsessed with nothing but success. But as always, once a hunting dog outlives its usefulness, it gets discarded. And so, he died. Then came his second chance at life. Regressing into the body of a rookie doctor, the max-level surgeon Kim Yoon-chan begins again. From this moment on, every operation will be under my command.