Izumi, Miki, and Risa invite Hayate and Nagi to their school club which Hayate uses as a way for Nagi to socialize.
Y-You can't, Ayasaki. You and 
I are student and teacher!
¡N-no lo hagas, Ayasaki-kun! 
¡Somos profesora y alumno!
V-Você não pode fazer isso, Ayasaki-kun!
Nós somos professora e aluno!