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. 
Oh... I-I just meant I had a dream 
about something like that...
Pero... creo que la vi en un sueño.
Es que soñé con ella y...
Mas por enquanto acho
 que só a vi em um sonho...