Ninjani Calling on! Fight Towards the Future

During the Edo period, the group of five Kazaha, Fuuto, Houji, Sora and Kisuke have been training to become ninjas. But, the world has become a peaceful place without war and they are facing dissolution. Wanting to be of service, even if it's just once, they set out headhunting the lord of the Koriyama Shinden clan, a story that would develop into a major incident.