Description:

Will Heaven triumph or will the fairies conquer all? A siren prince, Heaven has it all — talent, beauty, and powerful abilities. But one day, the fairies attack and he's forced into hiding, dressing as a woman and selling snake oil to get by. The surviving sirens dream of revenge and the return of their royalty... but Heaven's got other plans. (Source: Manta)

Alternative Titles:

10 Billion World, Ten Billion Worlds, 백억세계