Ayame Leiko has been through a lot. Hard times, easy times, fun times, depressing times, happy times, painful times. But nothing is the same as Assassination Time! Her past, present and future all links up to this one and only Assassination Classroom, or more specifically, to the people there. Her world had twisted and kept on twisting, leaving a trail of blood in its wake. This time, arriving at a new environment again, will she be able to combine her strength with her class 3E and destroy the monster that haunts her past as well as save the earth? Arriving at Kunugigaoka Junior High as a transfer student, getting placed into class 3A then dropping down into class 3E? Sounds fun? Well, you're about to find out.