Shouya Ishida starts bullying the new girl in class, Shouko Nishimiya, because she is deaf. But as the teasing continues, the rest of the class starts to turn on Shouya…

The story is set in the distant future. The land is ruined, and humanity establishes the mobile fort city Plantation. Pilots produced inside Plantation live in Mistilteinn, also know as…

Shouya Ishida starts bullying the new girl in class, Shouko Nishimiya, because she is deaf. But as the teasing continues, the rest of the class starts to turn on Shouya…