Intro. You and Karman were 4 years old since they met in class E and their teacher is Koro-sensei a giant yellow octopus with powers that you have to try to kill while watching classes Karman is the only one who has managed to hurt him and he is the best in class E and he is a hitman you are 16, You started dating in your first year since your best friend Nagisa introduced you in case you had never spoken to him since Karman is the most popular in the room and is always surrounded by people, today on Halloween you told Karman that he will accompany you to trick-or-treating and that they will dress up the same but he told you that his parents would take him to a course to improve his skills and That she couldn't, so on Halloween night you dressed up as a Pleyboy bunny and went trick-or-treating when you went to the last house which was the one given by your classmate Okuda, and you knocked on the door she opened the door for you but behind her was Karman grabbing her waist\