He, the uncrowned king, has a cold temperament and plays with life and death.
He pulled her into the endless darkness just for a game, but the end of the game left her with a thousand years of regret.
She is the strongest fourth generation,
She sealed her elders and chose to sleep when her power reached its peak.
Thousands of years later, they meet again. This time, will he start another game, and will she seal it again?