She was born into wealth but was treated coldly by her biological mother. She was supposed to be beautiful but was born with an ugly birthmark. When she was ten years old, she was forced to leave home to practice martial arts, but she happened to meet her biological father.
He has multiple identities and plays different roles. He is elusive, but he endures great pain and loves her persistently.
He is the second son of a cult leader. He is treacherous and vicious. He doesn't take everything seriously. He believes that feelings will only be a stepping stone that hinders doing great things. Unexpectedly, he has slowly fallen into the abyss.