- Genres Action, Animation, Anime, Science-Fiction
- Runtime 25 minutes
- Total runtime 10 hours 50 minutes
- Status Ended
- Network Tokyo MX
During the construction of the Kurobe Dam, an ancient artifact was discovered, and so the United Nations Kurobe Research Institute was established. Intellectuals from all over the world gathered to study the object, and the children of those researchers attend Mt. Tate International Senior High School, including the institute head's daughter, Yukina Shirahane. In the summer of 2016, a lone samurai once again awakens.