Kai's duty as a member of the Human Protection Agency is to ensure that the four races from The Great War are kept sealed in their graveyards. Humanity has been at peace for 100 years, until one day a portal opens and the world he's known ceases to exist.
The hero of the demons, 
Dark Empress Vanessa.
بطلة عشيرة الشّياطين، إمبراطورة الظّلام فانيسّا
Die Heldin der Dämonen:
die Dunkle Kaiserin Vanessa.
Vanessa, la emperatriz oscura
y heroína demoníaca.
Vanessa, la emperatriz oscura
y heroína demoníaca.
L’héroïne des démons.
L’Impératrice des Ténèbres, Vanessa.
L'eroe dei demoni,
A heroína dos demônios,
Imperatriz das Trevas Vanessa.
Герой демонов — Императрица тьмы Ванесса.
วีรบุรุษของเผ่าปีศาจ