A mysterious Light Virus wipes out a city and infects Musashi's pet monster, Lidorias. How can Musashi save it from destruction by the military forces?

Recognized for his efforts in capturing Lidorias, Musashi is accepted into TEAM EYES. Affected by the mysterious light called "Chaos-Header," the monster Golmede appears. EYES attempts and fails to capture the monster. They attempt to destroy it, but...

On his first solo flight in Tecch Thunder 4, Musashi acts alone, jeopardizing the team.

A giant object falls from the sky before children playing by a river. It's a toy robot made on a planet very similar to Earth, Planet Bibin. Introducing itself as Igomas, the robot befriends the children, but an unexpected truth is discovered…

Musashi and Fubuki are teamed up to investigate the mysterious appearance of firefly lights in Fubuki's hometown.

Doigaki is put in charge of a mission to capture the monster "Mogrudon".