With it now obvious that he's having unexpected effects on his peaceful home world, Takeru has to make a tough decision.
That's the mechanism behind her amnesia.
.هذه هي الآلية وراء فقدانها لذاكرتها
Das ist der Mechanismus
hinter ihrer Amnesie.
Así funciona su amnesia.
Así funciona la amnesia.
Voilà le mécanisme
de cette amnésie.
Questo è il meccanismo 
alla base della sua amnesia.
Esse é o mecanismo
por trás dessa amnésia.
Вот что стоит за потерей памяти.