Izumi, Miki, and Risa invite Hayate and Nagi to their school club which Hayate uses as a way for Nagi to socialize.
We were cleaning up around the house 
when Kotetsu found an old wooden box.
Estábamos limpiando la casa cuando 
Kotetsu-kun encontró una vieja caja de madera.
Nós estávamos limpando nossa casa, quando
Kotetsu-kun encontrou uma velha caixa de madeira.