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.

Karma Akabane is the world's best assassin who has been given a job. To assassinate Nagisa Shiota. When his plan to kill him on the spot fails, his new plan is to befriend him and kill him in the process. He runs into him at a cafe, and they talk for a while and become friends. As their friendship strengthens, Karma begins to develop feelings for Nagisa. Will he be able to assassinate him, or will his feelings get in the way of it all? NOTE: This is an AU where the events of Class 3-E did not take place. Koro-sensei wasn't present before this ( ;-; ). This takes place after high school. DISCLAIMER: I do NOT own any of the Assassination Classroom/Ansatsu Kyoushitsu characters.