The final battle takes place in the Hikariwo theater, where Takuru is trapped in a sightless and soundless prison in his own mind.  He'll need Onoe's help to break free, but after what he knows about her, can he bring himself to ask for it?
I see...
...فهمت
Verstehe.
Das wird also gespielt.
Entiendo.
Entiendo.
Je vois, tout s’explique…
Ma certo... è per questo...
Entendo...