Heaven or what is usually called the place of angels, angels live there, life is still a mixture of good and bad, Baek Siho is a fox demon who is looking for the whereabouts of his older sister on earth, after 900 years of trying to become a holy spirit, Siho wants to collect the promise his older sister made him to take her back there.

A woman enjoys the gentle breeze, slowly climbing the stairs to her apartment, her eyes widen when she opens the door, a man with golden hair sits reading a books, looks at her with a sweet smile

"Hello, Siho is back..."

Siho slowly approached the woman, of course they were of different blood and considered this woman not his older sister, but his own, hugged the woman tightly, kissed her ear, then whispered softly

"Let's go back to heaven, I miss you...I'm tired of being alone and crying..."

Said Siho while hugging her very tightly while burying his face in the woman's neck, this fox demon is really annoying