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.
In the future? 
Well, you're coming back in two years, right?
من الآن فصاعداً؟ حسناً، ستعودين
بعد عامين، صحيح؟
Was aus uns werden wird?
Du wirst in zwei Jahren wieder zurückkommen.
¿En el futuro? Bueno,
volverás en dos años, ¿no?
¿En el futuro? Bueno,
volverás en dos años, ¿no?
Comment ça, l’avenir ?
Tu vas aller à la capitale, non ?
In futuro? Beh, tra due anni
farai ritorno, giusto?
No futuro? Bom, você
voltará em dois anos, certo?
В будущем?..
อนาคตเหรอ