I'm Kenaya. Just an average high school student that wants to play safe from bullying. But those savage bullies harassed my best friend, Riska. Because of that, I came back from hell to punish and humiliate ...

The story is about class 3-E of Kunugigaoka Middle School, where every morning they greet their teacher with a massive firing squad. The teacher is a weird combination of an alien and a octopus that moves at...