Izumi, Miki, and Risa invite Hayate and Nagi to their school club which Hayate uses as a way for Nagi to socialize.
or the Society for the Research of 
Eating Udon Noodles Through Your Nose!
o la sociedad de investigación 
para comer fideos por la nariz!
ou a Sociedade de Pesquisa Sobre Como
Comer Macarrão Instantâneo Pelo Nariz!