Mr Teru (aka Godhand Teru) is a doctor by profession, a talented one... the manga follows his medical exploits...

Teru Mahigashi is a surgeon just out of medical school, and is hoping to make an impact in the medical world. Saving lives and helping people is the point of his chosen profession, and he seems pretty good at it, when he's not screwing up. People wonder why he has decided to become a doctor, when he is so clumsy, until his past starts to become revealed, and his ability to save lives becomes apparent with each operation...