The 3-E students storm the enemy, who has launched a deadly biological attack. Their path is blocked by three master assassins.

3-E student Isogai breaks the school rules by working part-time to help support his family. When Gakushu and rest of the Big Four students find out, they use his secret as leverage to force 3-E to participate in a bizarre sports-day competition. Soon it's time for the school's midterm competition as well, but when some 3-E students accidentally injure the elderly owner of a day care/after-school program, Koro Sensei forbids them from studying and...

"The 3-E students hope to kill on their final exams to win not only respect but a special reward. Over summer break, Nagisa, Sugino, and Maehara play amateur entomologist witha girl? After rigorous training with the greatest assassin of all, the class launches their best assassination plan yet! Now who will save our would-be assassins from a myserious biological weapon?"--Amazon.com.

The students in Class 3-E of Kunugigaoka Junior High have a new teacher: an alien octopus with bizarre powers and unlimited strength, who's just destroyed the moon and is threatening to destroy the earth--unless they can kill him first! Meet the would-be assassins of class 3-E: Sugino, who let his grades slip and got kicked off the baseball team. Karma, who's doing well in his classes but keeps getting suspended for fighting. And Okuda, who lacks...

"The Grim Reaper sets up a lethal trap that buries Mr. Karasuma and Ms. Vitch alive. Will Mr. Karasuma's repressed feelings surface before he and Ms. Vitch do? And how will Mr. Karasuma face Death? Then, despite his vow to destroy the planet in March, Koro Sensei offers career counseling to his students. Nagisa's professional goal raises some serious issues. And finally, it's time for the next school festival showdown. Class A and Class E compete...

"Ever caught yourself screaming, "I could just kill that teacher"? What would it take to justify such antisocial behavior and weeks of detention? Especially if he's the best teacher you've ever had? Giving you an "F" on a quiz? Mispronouncing your name during roll call ... again? How about blowing up the moon and threatening to do the same to Mother Earth--unless you take him out first?! Plus a reward of a cool 100 million from the Ministry of Defense!...

When the students in class 3-E start showing signs of self-esteem, the faculty tries to wear them down again, and a class trip goes wrong when two 3-E girls are abducted.

The battle for Koro Sensei's life against a multinational operation's soldiers and weaponry is difficult enough, but now his creator, mad scientist Yanagisawa, and and his former protégé, Grim Reaper II, join the battle to destroy him--and they've both had major enhancements! But the stakes abruptly change when a 3-E student is fatally caught in the crossfire ... If there's one thing that enrages 3-E's teacher, it's harming--let alone killing--his...