As Aoba is bitten by Ren, Ren's memories flow into him. Aoba feels Ren inside of him, and uses Scrap on himself... finding a very battered Ren. Ren then tells Aoba that he is a force that was created to stop Aoba if he ever got out of control, and...
Because your heart was unstable, 
your desire washed it away,
بما أنّ قلبك كان غير مستقرّ، قامت رغبتك بمحوه
Weil dein Herz instabil geworden war,
Porque tu alma se había vuelto inestable
Porque tu alma se había vuelto inestable
et ton cœur instable
s’est laissé guider par ses désirs.
Como seu coração era instável,