A cosmic being joins with a 19-year-old human to form a gigantic superhero and battle monsters infected with a virus that makes them dangerously aggressive.
EPISODE 1
Reunion With Light
A mysterious Light Virus wipes out a city and infects Musashi's pet monster, Lidorias; a look at how Musashi saves it from destruction by the military forces.
EPISODE 2
Chaos Header's Shadow
Affected by the mysterious light called Chaos-Header, the monster Golmede appears.
EPISODE 3
Fly! Musashi
Monster Spittle appears, targeting an aircraft; Musashi seeks to uncover why a docile monster went berserk.
EPISODE 4
The Fallen Robot
An object falls from the sky; it's a toy robot made on a planet very similar to Earth, planet Bibin.
EPISODE 5
Revenge of the Fireflies
In Fubuki's hometown, firefly-like lights attack vehicles, erasing them one after another.
EPISODE 6
Monster Fishing
An earthquake strikes; monster Mogrudon, awakened by electromagnetic waves, causes the earthquake.
Taiyô Sugiura
Kaori Sakagami
Daisuke Shima
Hidekazu Ichinose
Kazuho Mitsuta
Yoshihiko Marutani
Masahiro Morimoto
