Ultraman Taiga | | There are many cosmic beings who secretly live here in seclusion on the earth. But this fact is little known. In such a society, the protagonist Hiroyuki Kudo works for the private security organization "EGIS" (EGIS), which mainly solves disputes caused by people in space, and works hard for peace every day. But he hides a secret that even he doesn't know, which is the light particles of Ultraman Taiga attached to him. The moment Ultraman Taiga wakes up in Yuyuki's body, a new story begins...