Izumi, Miki, and Risa invite Hayate and Nagi to their school club which Hayate uses as a way for Nagi to socialize.
I see, so you're going to 
collect these common stories.
Ya veo, así que van a recolectar 
esas historias comunes.
Entendi, então vocês irão coletar
essas histórias corriqueiras.