With no other choice, you approach an old castle seeking shelter from the rain. Prince Baekhyun may seem warm and friendly on the outside, but he seems to have a secret he's desperate to keep from you.  

Astra is beautiful, only if you look in the right places. The saying had been passed down through generations and Prince Baekhyun believed it wholeheartedly. The hidden areas within his corrupt kingdom were the only places of beauty in his world.  But to prove him otherwise is the adventurous Prince Chanyeol from a kingdom far away. And his goal? To show the disheartened prince that beauty lies beyond the secluded borders in his kingdom. And how beauty is closer than it seem

The people of EXO planet are now well integrated in the society in this realm they call Earth, after the demise of their planet centuries ago. The nine powers that guard the Ethereals are Ice, Water, Healing, Light, Thunder, Fire, Earth, Teleportation, and Wind. There are nine kings that rule their people, and these nine kings have nine sons. Byun Baekhyun is one of the nine princes.