At age 30, Shou Arai came to a realization; he had no gender. Now he was faced with a question he'd never really considered: how to age in a society where everything is so strongly segregated between two gen...

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...