Aliens have been secretly emigrating to Earth, but only a few are aware of this truth. Living in such a society, the main character Hiroyuki Kudo begins working at a private security organization called E.G.I.S. (Enterprise of Guard and Investigation Services). The organization handles cases related to aliens, and Hiroyuki works tirelessly to maintain peace. However, he harbors a huge secret that he himself is unaware of: he carries Ultraman Taiga’s 'particle of light.' The new story unfolds as Taiga’s powers awaken from Hiroyuki’s body!
