The demon king practices immortality, but falls in love with the immortal master. He thought that the master and the apprentice would become a couple in the end? But it has just begun. What kind of twists and turns will we go through and when will we get what we want...
When you fall in love with someone, you are willing to give up fighting for the world for you. When you fall in love with someone, you are willing to give up your reputation for you. You are a demon but you want peace in the world. You are a fairy but you have an indissoluble bond with the devil. The love between immortals and demons. Both immortals and demons have good and evil.