“My name is Donghae”, the devil said. “And I'd like to offer you a deal.”

Once upon a time, in a kingdom hidden deep into the forest, far away from the human world, lived a little fairy.

"I'm lonely", the brunet softly whispered with a sad smile, his gentle brown eyes staring at the silver full moon, mesmerized and fascinated. "You surely know how it feels, don't you?" he asked the celestial figure glowing in the dark sky, alone among the stars.