The Eldest Lady's Secretive Bodyguard

He, the King of Immortality, returned home in honor of her wish, and was willing to accompany her and protect her. For her, he went against the world, just for a word of promise, suddenly looked back, and sang on the blood! Because of her, all the kingdoms were destroyed, just for the sake of the angry beauty, the bloody storm, and the blood-stained imperial city!