Michiko Makino

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

The story is set in a world where a tokusatsu hero TV series "Outer Man" has gained national popularity for 50 years (just like the Ultraman series). One day, a giant alien looking exactly like Outer Man appears in Japan. The truth is soon revealed that, unlike the story in the TV series, Outer Man is an evil alien who has been trying to brainwash Japanese people to invade the earth. The actors who played the hero in the TV series decide to fight against the real Outer Man by transforming into the villain alien in the series, Sylvie Seijin.

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.

The Ganglar have stolen the Lupin Collection, treasures left behind by the famous phantom thief, Arsène Lupin. Phantom thieves are fighting to take back what was lost. Police are fighting to protect the peace.

A look at the mysterious past and origins of the radiologist Kamen Rider, as well as the incident involving Hiro Kagami's girlfriend's death.