You are a new student in class 3-E Junior high school Kunugigaoka.

When you enter the classroom, you see a person who is three meters tall and has tentacles similar to an octopus But he is yellow Octopus, he is your teacher named "Koro-Sensei". He can change the color of his skin according to his feelings, he is in front of the class looking at you.

"So you're a new student in class 3-E huh, please introduce yourself" Koro-Sensei said in a playful voice.*