Poison
Summary Karma, after been embarrased by his teacher in front of his friends, in very furious and starts thinking in a strategy that will definitely kill Koro-Sensei. He goes to a cliff and takes his teacher with him. He asks if Koro-Sensei will do everything to be sure all of his students are safe, that if he will be personally responsible for each of his students. Koro-Sensei explains that that i the basic responsability of a teacher, and Karma, with a gun in his hand, jumps directly into the cliff. Karma just made something that will make Koro-Sensei make a very hard decision, because if he flies in supersonic speed to save Karma, his body wouldn't handle it, but if he went and save him slowly, Karma will have time to shoot him. Koro-Sensei knowing this, decides to go fast and make himself sticky and safe Karma without doing any harm to eather one of them. Later, back in class, he is given some drinks by Okuda, and she tells him it's poison, but still, Koro-Sensei drinks ...