Nahoko Nomoto

Five descendants of the people showered with Bio Particles by Bio Robots five centuries in the past have become Biomen. They transform with the Bio Brace and fight using their Super Electronic Brains on their masks. Their Bioswords are equipped with sword and gun modes.

After a Space Beast throws them off Shuttle Base, the Changeman scramble to get their ship back as Sayaka tries to protect it from the inside.

Bioman must rescue two boys who possess an ancient treasure map that leads to Biobase, making them targeted by Gear.

The Changeman must work with an earthquake institute to prevent Earth from being destroyed in a sea of fire by the Gozma.

8mm film by Yukiyasu Shimada, summer 1992.