Endless Love

Falling in love but feeling sad, the sadness passes through. She was his little sister, but when the little sister grew up and her face inexplicably overlapped with his in the previous life, she was confused. He is the Master of the Mysterious Domain, a mysterious man who always wears a mask, a person who is always against her, but why does she feel familiar with him? When the little sister disappeared, when the family was destroyed, when he slowly took off his mask, being the leader among thousands of people, all that was left in her world was a sneer...