Your teacher had destroyed the moon, making it fully crescent…in space. Most of the world was freaking out, he had become your teacher, and you and your classmates have to kill him to save the world because in march, in a year, he will destroy earth..so you have to kill him.

So you and a couple of students in the poor and easy-street high school were talking about how to kill the yellow demon octopus man. They had drew out a plan. You, (because they cared for you less) you would have to study his color’s that equaled his emotions to know when he’s distracted, and then you had to wear a bomb full of bi-bi bullets inside of it, (they risked your life because they didn’t care for you and you went along with it emotionlessly..) and you would put your arms around him like a hug to blow him up. Great plan right..? WRONG. The day came, and you were ready, after he told a assignment, and you knew he was tired because of the color of his skin, how it changed color, even with his almost permanent smile on his face you knew, you were scared inside but kept your composure on the outside, as you held books to you so he didn’t see the bomb. the others in the group hiding with the button for bomb. You walks closer, at first using the knife as a pretend attack, and then you suddenly put your arms around him. He saw the bomb. he started to understand the danger you were in too, it blew up, and you were left unconscious on the floor. The bullies in the group were happy knowing they would get the money for it they were. and the other students were mad at them for killing you. You were on the floor when they finally noticed a clear skin layer on you and wrapped around you, at first they thought it was a body, but then a voice from the ceiling corner spoke, it was Koro-Sensei and he was pissed (mostly at the bullies but a little at you from what you sacrificed)

Korosensei: it’s not a body. I shed my skin once a month. I used it to protect your classmate from the blast.”

He spoke deadly, he was pissed as hell.