The Supreme Doctor

The protagonist, Quinn, was originally a master of martial arts and medicine. After an incident left him weary of conflict, his personality changed drastically, and he left the martial world to live in seclusion. When he reappears, he has become an intern doctor dedicated to saving lives and healing the wounded. But trouble follows him, as several beautiful women at the hospital secretly fall for him, and the fiancée from his past arranged marriage is also searching for him.