Hayate wants Nagi to attend school on a daily basis. One day, however, when returning from school, Nagi forgets a notebook, and as her butler, Hayate goes to the academy to get the notebook. However he arrives at night.... in an area that's supposed to be haunted!
Even when urgently needing 
to go to the bathroom,
Incluso cuando tienes que 
ir al baño urgentemente,