It has been confirmed that we will have the second season of the anime , now we have the teaser that proves it. The premiere takes place in January 2016.
The team will be the same as the first season, the animation studio is Lerche (Unbreakable Machine-Doll), the direction is by Seiji Kishi (Persona 4 The Animation), the character design is by Kazuaki Morita (Persona 4 The Animation, Arpeggio of Blue Steel).
The first arrived on January 9th and had 22 episodes. Yusei Matsui's manga has a humorous and action-packed story that revolves around a class of misfits who are trying to kill their new teacher – an alien octopus with bizarre powers and super strength.
Check it out: