Handoku!!!(2001)

Original title: ハンドク!!!

As a former gang member, Hazama Ichiban witnessed the worst side of the emergency medical system and vowed to become a doctor to change it. With the aggressive passion he learned on the streets, Ichiban has worked his way to becoming a no-nonsense emergency medicine resident. But it is this same passion that he must learn to control when confronted with a situation beyond his help.