Assassination Classroom: Why Koro-Sensei Decided to Teach Class-3E? Why was Korosensei not saved? Could Korosensei be saved in Assassination Classroom?
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Why Koro-Sensei decided to become a teacher suddenly, and why he only chose to be the teacher of Class 3-E of Kunugigaoka Junior High School? So to answer that, we will discuss his motive for becoming the Kunugigaoka Junior High School.
Those who don’t know about Manga Koro-Sensei were human beings once born into a poor family and raised in a harsh environment at a young age, understood to survive there, so they could not trust anyone. So he decided to become an Assassin.
Koro-Sensei’s Early Life
After becoming an Assassin, Koro-Sensei achieved the highest rank, the rank of ‘Master Assassin.’
He was known as ‘The Reaper’; earlier, Koro was tasked to assassinate a wealthy businessman, and when he assassinated the man, he felt sympathy for his child and the child was somehow attracted to Koro’s killing techniques.
So Koro decided to teach him how to become an assassin like him.
Much later in the story, the child, after mastering the art of becoming an assassin, backstabbed Koro.
Koro was then captured in a shady lab research centre run by Kotaro Yanagisawa.
In the research lab, they experimented on him as they wanted to find a large amount of anti-matter.
In the process, The Reaper, aka Koro, met Aguri Yukimura, the wife of Kotaro Yanagisawa.
In the first meeting, Koro befriended Aguri.
But the scientist experimented on his body to the limit when his body literally gave up once.
Only Aguri was the one who was comforting Koro.
As both Koro and Aguri grew closer, Koro sometimes agreed to her requests, which raised questions among her colleagues.
And this is where his love for teaching also sparked.
Yanagisawa, at that time, began questioning what would happen if Koro’s anti-matter after he died, so to test that theory, they decided to send a Rat to the moon.
They first killed the Rat to see what would happen and what they witnessed after that was shocking; after the Rat was dead, a volatile chain reaction was created and turned 70 per cent of the moon’s matter into anti-matter. Hence what happened to the moon was not Koro’s fault.
Scientists witnessing this started realizing that they soon will happen to Koro dies as well.
They believed that he would be going to destroy the Earth as well.
Once Aguri tells this to Koro, Koro gets annoyed and unleashes destruction on the whole facility, by which Aguri also gets injured.
Aguri and Koro-Sensei fell in love when Koro was taken to the Lab, and they were experimenting on him.
Kotaro Yanagisawa ran the Lab, and they were looking to develop large amounts of anti-matter.
So when Koro destroyed the Lab, Aguri was also severely injured.
During the last few moments, she tells Koro that he can do much more good for the people and tells Koro that her last wish before dying that is for Koro to teach her class 3E of Kunugigaoka Junior High.
So Koro, to fill the last wish of her love, Aguri decided that he would tell everyone that he would destroy the Earth in the next year, March.
In the meantime, he will also teach the class 3-E students of Kunugigaoka Junior High School.
Due to the experiments done in the Lab with the anti-matters, Koro possessed some supernatural abilities, so he used that to blackmail the government officials so that they could fear him and let him take over the teaching position of class 3-E.
And it did happen the leaders finally decided to give Koro-Sensei the teaching position at Kunugigaoka Junior High School, which was the last wish of his lover Aguri.
If You are just starting off with the anime, you might believe that Koro-Sensei is the series’s main antagonist. But in many cases, you might feel his pain that he doesn’t want to destroy the Earth; he wants to teach the students of class 3E and help them overcome their failures.
He shows lots of passion while teaching. One of the main reasons people love Koro’s character so much is that he is the best teacher and friend.
Although whenever students get a chance, they want to assassinate him, in reality, Koro-Sensei is the one who truly cares about every individual in the anime.
Even you can see later in season 2 that the students are not really on board with the idea that Koro-Sensei wants to destroy the Earth. From the beginning of the series, Koro was already aware that he would die anyway with all the experiments performed.
Still, to make his last days count, he chooses to become a teacher to fulfil the last wish of Aguri.
Why was Korosensei not saved? Could Korosensei be saved in Assassination Classroom?
As per SportsKeeda Anime, when Korosensei told his story to his students, they all felt terrible for him and wanted to save him.
But as they were merely a student, the science required for Koro to turn into a human being again was complex, and the mission was also very risky as even a small mistake could have ended with the end of the world.
But the students did try to save their favourite teacher; they hijacked the international space station to gather information on the experiments done on Ryushi Korogane, aka Koro, to find a cure for him.
But the Government also had restraints because Korosensei still had chances of exploding, and with all the anti-matter inside, it would mean the end of the world.
So the Government didn’t take that chance as it was about the survival of humanity.
But he did serve the last wish of his lover Aguri Yukimura. He taught the 3E students and helped them in every possible way to excel in academics and find their true selves.
Korosensei’s death was inevitable, as it was clear from season 1 only, and he did get his last wish to get killed by his students.
When the students got the bounty money for killing Korosensei, they saved a few for education, donated the rest to Wakaba Park nursery, and purchased the old campus.
Will Koro-Sensei Return in Assassination Classroom Season 3?
Assassination Classroom Season 3 hasn’t been renewed for season 3 yet, but there was some speculation at the end of season 2. At the conclusion of season 2, we witnessed the 3-E students successfully assassinate Koro-Sensei.
Therefore it was suggested that Koro return in a spin-off series in which he will return as the demon king with new plans and agendas. There was a spin-off manga as well, which was titled Koro-Sensei Quest (Koro-Sensei Q).
The Spin-Off Manga Koro-sensei Q was written and illustrated by Kizuku Watanabe and Jo Aoto, set on an alternate timeline than the original series.
This alternate timeline series of Assassination Classroom was also hinted at that time, but sadly, it didn’t happen either. But after season 2 ended, five years passed; as of writing this article in July 2021, the studio hasn’t announced any news related to season 3 of Assassination Classroom. But we are keeping our ears open soon as we receive any update from them; we will update this article with the new news.