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. 
We don't have the 
black camellia anymore.
Ya no tenemos la camelia negra.
Ya no tenemos la camelia negra.
Eu não tenho mais
 a camélia negra.