The student council trio, Izumi, Miki, and Risa, check in on the Sanzenin Mansion to see what the new butler is like. When they arrive, Miki picks up a controller and, along with the other two, gets pulled into a game world set up by the demon of Nagi's Famicom!
It's only natural, since I'm the one 
with the most common sense here.
Es lo normal, ya que no hay nadie 
más con tanto sentido común.
É natural, afinal de contas sou eu 
quem tem mais bom senso aqui.