Demon King, Kashriel, declares war on the human realm, announcing his intention to marry its princess.
When he arrives to take the princess back to the demon realm, he finds himself captivated by the "princess," who proves to be a warrior capable of matching him blow for blow.
But the princess&039;s true identity is none other than Beric, the princess&039;s personal knight and the greatest swordsman on the continent!
Having fallen in love with Beric at first sight, the Demon King boldly declares that he will marry him, not the princess.
To preserve peace between the human and demon realms, Beric agrees to accompany the Demon King to the demon realm. As they begin living together, Beric gradually experiences things he has never encountered before...
Beric Rednile—a steadfast swordsman whose resolve has never wavered.
In his 35 years of life, the greatest crisis he has ever faced is about to begin...!