In Ultraman Taiga Ep. 3: The Avenger of the Stars, a death threat was sent to the president of Cozmo Technica, an up-and-coming startup company. The threat was sent by former astronaut Rento Kujo, who was supposed to have died after an unfortunate accident! Hiroyuki and Homare were both assigned to guard the president of Cozmo Technica to uncover the truth behind the unfortunate accident. But when Rento Kujo transforms into a colossal mechanical kaiju, the Sage of Strength descends from the heavens above once again!