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.
Though I don't bring it up since 
no one would believe me.
لن يُصدّقني أحد لذلك لا أقول
...شيئاً، لكن
Was ich nicht mehr tue,
weil mir keiner glaubt.
Pero ya no lo digo porque nadie me cree.
Pero ya no lo digo porque nadie me cree.
Mais personne ne m’a jamais cru.
Però nessuno mi crederebbe,
perciò non ne parlo.
Não falo nada porque
ninguém acreditaria em mim.
Но никто не верит,
вот и не рассказываю.
ฉันไม่อยากพูดเพราะไม่มีใครเชื่อ