Having learned the truth about This World, groups led by Ms. Aki and Hoshi prepare to go their separate ways. Nagara finds himself in an upside-down world he cannot freely leave, and is forced to work on building a Tower of Babel that reaches downward.
Gen broke it, and I secretly
replaced it with a new one.
لقد كسره غين 
.واستبدلته سرًا بآخر جديد
Ich hab das Original kaputtgemacht
und danach heimlich ersetzt.
Gen la rompió y la reemplacé
en secreto por una nueva.
je l’ai remplacée en cachette
car Gen l’avait cassée…
Gen quebrou e eu, em segredo,
a substitui por uma nova.