It Was Agreed That It Was Just for Treatment, but You Ended up Committing Yourself to It?

The son of a wealthy family was abandoned in the mountains, and returned to his hometown ten years later, bringing with him unparalleled medical skills. His former family members, his fiancée who broke off the engagement, he will use his own strength to make you regret it for the rest of your life! He will take back everything he has lost with his own hands! A silver needle can cure your disease or kill you!