Haruki collapses after saying goodbye to Kasuza, and Setsuna, who he betrayed, comes to take care of him.  Haruki is too overcome with guilt to move, and Setsuna tries to pretend she knows nothing as she struggles with guilt of her own.
First, for not being 
able to go to the party.
Zuerst, dass ich nicht 
auf deiner Party erscheinen konnte ...
Primero, por no haber ido a tu fiesta.
Para empezar, por no 
haber ido a tu fiesta.
Déjà, de ne pas avoir pu 
venir à ta fête.
Primeiro, por não conseguir ir à festa.