Hyun, a son of promise, takes part in a journey in a fantasy world with his childhood friend, Shoko, in pursuit of trying to find the truth behind the disappearance of his Mother; whom he thought to never have. Throughout the story, Hyun fights against enemies, and learns harsh lessons - betrayal. Along the way, he meets different people who help him get one step closer to finding the truth, but will the truth allow Hyun to keep living?