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.
It was you!
!أنت الفاعل
Das warst du, oder?
¡Fuiste tú!
C’est toi, hein ?