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.
or take advantage of the way
a world is set up.
أو يستفيدون من قواعد 
.العوالم ومبادئها
oder die Mechanismen
der verschiedenen Welten.
o se aprovechan de la forma
en que se configura un Mundo.
ou aproveitam do caminho
de um mundo configurado.