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.
I don't know, why?
لا أعلم، لماذا؟
Warum tun sie’s?
No sé, ¿por qué?
Je sais pas… Pourquoi ?
Não, por quê?