Yoshinori Horimoto

A young widow, Noriko, lives with her senile father-in-law, Shukichi, on a farm. He believes his favorite cow, long gone, is still alive. Noriko pretends to be the cow and lets him milk her – a satisfying arrangement for them both.

An attack takes place on Rainbow Bridge in Odaiba, Tokyo by the fighter helicopter `Gray Ghost`. 2 days earlier, the Gray Ghost was stolen. The perpetrators are followers of Yukihito Tsuge. Yukihito Tsuge planned a coup of Tokyo 13 years earlier. The leader of Special Vehicle Section 2, Keiji Gotoda, sets out to stop the terrorists.

A few years ago, when Tomomi (Hiroko Akune) was on the way home from school, she saw her friend Keiko (Misaki Mori) about to be raped by a man. Tomomi hit the man in the head with a stone and saved Keiko. In the present, Keiko, has buried her past, sells her body in Tokyo. One day, Keiko is contacted by Tomomi. They haven't spoken since their high school graduation. They meet and Keiko lets Tomomi stay at her apartment. Soon, the bizarre lives of the two women begins, with Tomomi also selling her body.

Kanako, an underwear salesperson, is wondering with whom she will spend the "Yui no Hi" established by the government. However, she is hard to decide on a partner, and she seduces the men of the customers who got in the sex appeal strategy, but all of them end up unexploded. Meanwhile, Shuji, who was once a lover, appears and begins to take care of her.

The evil warlord Gengetsu Kibaoni was defeated 444 years ago by the Last Ninja, the head of the Igasaki Family. In 2015, the Kibaoni Army starts rebuilding their empire and use fear harvested from humans to revive him. Five members of the Igasaki family must use their Nintality to transform into the Ninningers and fight to prevent the revival of Gengetsu Kibaoni.

In a world where giant robots are built and used for labor, a special police force of robots is created to handle crimes relating to these machines.