Assassination Classroom -- Game What New ? -New Classroom (lab) -Koro Sensei -Out Side (Not Complete) -- WARNING!! There may be manga spoilers on the Wall! Read at your own peril! -- For fans of the popular anime/manga series Assassination Classroom -- When a mysterious creature chops the moon down to a permanent crescent, the students of class 3-E of Kunugigaoka Middle School find themselves confronted with an enormous task: assassinate the creature responsible for the disaster before Earth suffers a similar fate. However, the monster, dubbed Koro-sensei.