Izumi, Miki, and Risa invite Hayate and Nagi to their school club which Hayate uses as a way for Nagi to socialize.
This is a story from when Smiley-Smiley 
were still able to fly in the sky.
Esta es una historia de cuando NicoNico 
todavía podía volar por el cielo.
Essa é a história de quando as
Rindo-Rindo ainda podiam voar.