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

The latest addition to the misfit students of Class 3-E is a Norwegian robot specially designed to assassinate their teacher -- but sadly lacking in social skills. Nothing Koro Sensei can't cure with a little super-fast tentacle work! When playboy Maehara gets dissed by a girl for being in Class 3-E, revenge is clearly warranted -- and Koro Sensei can help with that too! Then Irina, the English language teacher/sexy assassin, gets a visit from her...

As Lowly Class E and elite Class A compete for customers at their school festival booths, a parade of familiar faces, some welcome and some not, drop by Class E's booth with surprising consequences.

"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!...

"No matter how much the times change, bullied kids aren't going anywhere. And fat junior high school student Haruyuki is one of them. But one day, Haruyuki encounters Kuroyukihime, the most beautiful and elegant girl at school, who gives him a mysterious program: "Brain Burst"...and the secret of the "Accelerated World." He may be at the bottom of the food chain at school, but Haruyuki and his destiny begin to "accelerate" with incredible speed in...

"In the year 2026, a young man by the name of Kazuto Kirigaya beat Sword Art Online, a VRMMORPG that had become a death trap for its players. He would go on to participate in experimental tests of an entirely new full-dive machine. Meanwhile in 2047, a boy named Haruyuki accelerates himself in order to finish his homework just before class. But in the Accelerated World, he detects a strange tremor. Checking the matching list, he notices a most un-Burst-Linker-like...

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!...

The students in class 3-E are the misfits in their school, but their teacher is a powerful, tentacled extraterrestrial who has already damaged the Moon and threatens the Earth, and they have been assigned to assassinate him.

"The 3-E students discover that Koro Sensei's greatest weakness might be a common substance. Will they be able to use it to assassinate him while he helps Meg, formerly of the varsity swim team, with her greatest weakness? The next assassination attempt, implemented by Terasaka, is more elaborate but endangers his fellow students. Can he save them without saving his target? Then, the top class at school, including Principal Asano's son, conspires...

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 Earthunless you take him out first?! Plus a reward of a cool 100 million from the Ministry of Defense!...