Beppu Akihiko

Binan High School in Northern Kanto is the home for the Binan High School Earth Defense Club. Under strange circumstances, they'd transformed into Battle Lovers and started taking on the Earth Conquest Club. And now it's been half a year since they started. They find out that the Defense Club and the Conquest Club were being pitted against each other due to a program on TV…

It's March, and graduation is imminent. Both the graduating third-years and the remaining second- and first-years find themselves facing complex feelings they can't quite put into words... Source: crunchyroll