What if Iruma got replaced with Nagisa? What if Nagisa was half demon? What if Nagisa' father was Sullivan's biological child making Nagisa his biological grandchild? What would be the story if the silent androgynous assassin was to go to babyls?
Find out in "Welcome to demon school! Nagisa-kun"
I dont own Assassination classroom and Welcome to demin school! Iruma-kun or any of the images used.