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. 
You're not the kind of man I was imagining...
No eres quien imaginé que serías,
No te pareces en nada al tipo de hombre con que soñaba,
Você é diferente do
 que eu imaginava...