[Machine Translation] World War III engulfed the entire world. As a result, the Far Eastern island nation of "Yamato" comes under the occupation of the "Superpower Unite". A period of peace and tranquility under the occupation comes. In the midst of this, advances in genetic engineering have created TRANS, a technology that allows people to freely choose their gender. This technology has made it possible for people to change their gender completely at will. However, some of those who were given the TRANS technology sometimes had special abilities that could be called errors. Various special abilities beyond human knowledge. While HELI-X crimes became a social problem, the "Spiral Agency," which specializes in HELI-X crimes, was established within the Yamato Self-Government Forces. Agata (Shuji Kikuchi) is a soldier who is assigned to the Spiral Agency by the Yamato Self-Government Forces. Zero (Yuki Tamaki) is an assassin for the Black Bloods, a mafia that controls the underworld. When the two meet. The spirals of fate intertwine and begin to move violently. Includes a bonus disc of making-of (meeting, rehearsal, and backstage scene from the Chi-Autumn performance) and the curtain call from the Chi-Autumn performance. [Performance date: December 2020