According to Anime News Network, in the November issue of Fuimishobo’s Monthly Dragon Ace magazine, it’s been announced that Chrome Shelled Regios will be have a fouth manga series, spawning from the light novels of Shusuke Amagi.
There will also be a TV animation of this popular series next January on Japanese TV.
The premise of the novels is that in the distant future, creatures contaminated by pollution have overtaken the land and humanity if forced to live in mobile cities called Regious. The city named Czernie is a self-contained school where our protagonist: Reifon Aruseifu had just enrolled. This is where they start their martial arts journey.
Source: Anime News Network