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 can tell because of who I am!
!أعلمُ ذلك من نفسي
Ich muss es ja wissen!
Posso dizer por conta de quem sou!