The elf king, Oswin Alvingham, mysteriously gets stuck on the human realm and loses his powers. As he roams the unfamiliar 一dirty and low class if he is to describe一 Earth, he stumbles into Sean Cooper, a fresh graduate, and a full-time table-waiter, who gets bullied in the alley. Though Oswin's magical power is lost, his physical strength remains invincible. When he rescues Sean, the latter decides to take him in as gratitude.
And that is where the mess begins.
How can the king of the elf cope with his new life? How can Sean convince himself not to be evil enough to kick his savor out of his house? Most importantly, how do an average mortal and the noble, upper class immortal, live together not only under the same roof but also on the same bed?