The students of 3-E are broken into two groups, one who want to kill Koro Sensei, and those who want to save him. The class then battles drawing on everything they've learned in order to make the final determination.

Printed Manga-style; book opens from left to right. Pages are read from right to left. Translation of: Ansatsu kyoshitsu. Originally published: Tokyo : Shueisha Inc., 2012. "Parental advisory: Assassination classroom is rated T+ for older teen and is recommended for ages 16 and up. It contains realistic violence and suggestive situations"--Copyright page.