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. 
But Shin-chan was a bit careless, too.
Pero Shin-chan también era algo torpe.
Aunque Shin era un poco despistado...
Mas o Shin também tinha 
seu lado cabeça de vento.