Best Selling Books by Yusei Matsui

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 both academic and social skills, yet excels at one subject: chemistry. Who has the best chance of winning that reward? Will the deed be accomplished through pity, brute force or poison...? And what chance does their teacher have of repairing his students' tattered self-esteem?

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! Okay, now that you're committed... How are you going to pull this off? What does your pathetic class of misfits have in their arsenal to combat Teach's alien technology, bizarre powers and...tentacles?!

English teacher Irina's assassination mentor makes an appearance and the two compete-using special agent Karasuma as their target. Another transfer student/would-be assassin joins the class, accompanied by a guardian who claims to be Koro Sensei's...little brother?! A tentacle showdown ensues, sending everyone into a tentacle tizzy. Then, the 3-E students face humiliation yet again during a school baseball exhibition match. Plus, more secrets of Koro Sensei's mysterious past revealed...!

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! Okay, now that you're committed... How are you going to pull this off? What does your pathetic class of misfits have at their disposal to combat Teach's alien technology, bizarre powers and...tentacles?!

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 murder mentor.

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! Okay, now that you're committed... How are you going to pull this off? What does your pathetic class of misfits have in their arsenal to combat Teach's alien technology, bizarre powers and...tentacles?!

Nagisa risks life and limb in an attempt to take down the mastermind behind a biological attack. After the dust settles, Koro Sensei tries to ignite some summer romances between the students of 3-E. Their teacher Irina Jelavitch, at least, has her sights on someone…and everyone happily conspires to bring them together! Back at school, one of the 3-E students defects from the ranks for all the wrong reasons. How will they bring him back before he inflicts irrevocable damage on them all…?

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! Okay, now that you're committed... How are you going to pull this off? What does your pathetic class of misfits have in their arsenal to combat Teach's alien technology, bizarre powers and...tentacles?!

The 3-E students head for the lair of the enemy to stop a deadly biological attack. But blocking their path are three master assassins: Smog, Grip and Gastro, who excel, respectively, in the use of poison, brute strength and guns. With their teacher Karasuma down, Karma and his friends face terrible odds. And even if they defeat their foes, how will they wrest the antidote from them? Worse, it turns out the mastermind behind the attack is someone they know…

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! Okay, now that you're committed... How are you going to pull this off? What does your pathetic class of misfits have in their arsenal to combat Teach's alien technology, bizarre powers and...tentacles?!

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 orders them to replace him until he recovers! Assassination is one thing, but babysitting little kids…?! And then, our friends rescue a cat.

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! Okay, now that you're committed... How are you going to pull this off? What does your pathetic class of misfits have in their arsenal to combat Teach's alien technology, bizarre powers and...tentacles?!

The students of 3-E turn a surplus of eggs to good use—in pursuit of their usual goal. Karasuma teaches them the art of parkour while Koro Sensei teaches them the game of cops and robbers. Then, someone is stealing lingerie, and naturally Koro Sensei is the prime suspect! But is he being framed…and if so, by whom? Lastly, biologically modified Itona discovers that sometimes tentacles can be a burden rather than a gift. He puts everything he's got into his latest assassination attempt on Koro Sensei…but who will save Itona from himself?!

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! Okay, now that you're committed... How are you going to pull this off? What does your pathetic class of misfits have in their arsenal to combat Teach's alien technology, bizarre powers and...tentacles?!

Intramural relations are at an all-time low: Principal Asano wants to crush Koro Sensei's 3-E baseball team while Koro Sensei wants to avenge Principal Asano's sabotage of 3-E's midterms. Then the government sends in a new Special Forces operative—a ruthless father figure who tests Karasuma's combat coaching skills. You'll never guess which student does him proud! And when Koro Sensei digs a swimming pool to help his students cool off, they discover a new weakness of his—as well as how cute their classmates look in swimsuits!

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! Okay, now that you're committed... How are you going to pull this off? What does your pathetic class of misfits have in their arsenal to combat Teach's alien technology, bizarre powers and...tentacles?!

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 to prevent 3-E from ever rising closer to the top!

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! Okay, now that you're committed... How are you going to pull this off? What does your pathetic class of misfits have in their arsenal to combat Teach's alien technology, bizarre powers and...tentacles?!

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 with…a 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…?

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! Okay, now that you're committed... How are you going to pull this off? What does your pathetic class of misfits have at their disposal to combat Teach's alien technology, bizarre powers and...tentacles?!

A sexy new teacher comes to Class 3-E to do the students' job for them. When the 3-E students begin exhibiting signs of self-esteem, Principal Asano demands that Koro Sensei crush their spirits so they continue to set a bad example for the rest of the school to rise above. Then a class field trip goes terribly wrong when two 3-E girls are abducted. Who will come to their rescue…?