2016 is a year where Japan once again getting attacked by the darkness. To avoid the danger getting worse, the government form a special school to fight them. Yamisuke, he is the one who responsible to all of that. He's a darkness from Tokyo. Yamisuke form a community of darkness by recruiting new member from other regions to fulfill his purpose to conquer all of Japan and make it a new kingdom.

Aotori, a team graduated from the special school assigned in Tokyo to stop his plan. But can they complete that mission?