The students in Class 3-E of Kunugigaoka Junior High have a new teacher: an alien octopus with bizarre powers and unlimited strength, who's just destroyed the moon and is threatening to destroy the earth - unless they can kill him first![...]

Ever caught yourself screaming, I could just kill that teacher? What would it take to justify such antisocial behavior and weeks of detention? Especially if he's the best teacher you've ever had? Giving you an F on a quiz? Mispronouncing your name during roll call...again? How about blowing up the m[...]