Things come to a head between Rena and Chizuru, which reminds Arata about a traumatic experience in his past.
We'll make absolutely sure 
nothing like this happens again.
.سنحرص على ألاّ يتكرر شيءٌ كهذا مرّةً أخرى
Wir werden dafür sorgen,
dass so etwas nicht wieder vorkommt.
Vamos nos certificar de que 
isso nunca mais aconteça.