Yukinori Kitajima

The story takes place within Neo Tokyo in the year 2025, five years after a severe terrorist attack at the 2020 Tokyo Olympics. Students possessing special abilities are forced into serving an elite anti-terrorist unit created by the United Nations, fighting against threats including other ability users. If these agents fail their mission, they will be killed along with their families, who have bombs planted within their heads. One member of this covert ops unit, a Swedish girl by the name of Anthea Kallenberg, seeks to find who she really is.

The Hanzo Academy is a prestigious prep school with a secret known only to a select few. Behind its walls is a training course for shinobi; trained spies and assassins that centuries ago had served the shoguns for their political and military needs. Today the tradition continues with five young female trainees with diverse personalities: the care-free Asuka, fierce yet perverted Katsuragi, the sweet and innocent Hibari, stoic and protective Yagyuu, and their mature, class representative, Ikaruga.

It’s been ten years since Azuma Kazuki has been in Japan, and upon his arrival he is taken prisoner by a group of armed men. Azuma is saved by his childhood friend, Kogane Asabuki, thanks to a living weapon she wields on her right hand, known as a Bubuki. Learning about these weapons, Azuma becomes a Bubuki wielder himself and sets out on a journey.

When he was a child, Murakami was friends with a girl he called Kuroneko. One day, while trying to prove the existence of aliens to Murakami, she is killed in an accident that he barely survives. Guilty of his role in the accident, Murokami decides to dedicate his life to proving that aliens exist. Then, one day, a new student with mysterious powers transfers into his class who not only looks a lot like Kuroneko, but is named Kuroha, Neko.