It all begins in 1769. Her name is Hope, a beautiful genie of Oriental descent. She is the only one who can save the White Moon Drake, her only master, from the dark forces chasing him. And as their romance stretches through space and time, she uses the last wish she can grant to wake him up from the dead. Now, she needs to offer the most precious thing she has in order to save him.

One summer night, sixth-year medical student Natsume Toru is propositioned by Shinozaki Aki. He coldly brushes her off and tells her to look for someone with money. Several days later, while on duty at Keiyu University Hospital, Toru comes across Aki once more. It turns out that she is the sister of Shinozaki Jun, Toru's first official patient. Jun is waiting for a costly operation and in order to pay for it, Aki has been forced to sell herself on the streets. Toru falls in love with Aki, but will he be able to take her off the streets and more importantly, convince her that she deserves his love?

Jin Xiu, the King of the Central Heavens, intended to help a little camellia demon become immortal but he became mortal for her in the end.