After a fight Hayate, Nagi heads to the apartment complex to hang out.  But her “little sister” is the only one home.  This might be Nagi’s chance to find out what Ruri’s real goal is. 
He repeated this as 
he grew, until he became...
El joven repetía este mantra 
y creció espléndidamente para
No dejaba de repetirlo y al final
Enquanto dizia essas coisas dolorosas,