A trio of high school students, Ichiro, Hiroshi, and Reiko, try to give a demonstration against the suspension , but they are ignored by the students and embark on an unreliable journey.
The four kinds of love that Yuriko experiences, namely, a childhood longing love, a dream of marriage, a maternal love, and a destined love between parents and children over two generations, as well as the sisterly love between Yuriko and her sister Kaori.
Kyoko met Tetsu during her trip to San Francisco. Soon they fell in love but getting married was not in his mind. They were to meet again back in Tokyo but Tetsu didn't turn up. She went to look for him in San Francisco but all she found was him with his new girlfriend. Kyoko went back to Tokyo and eventually married a big corporate CEO.
After a salary-man's fiancée attempts suicide, he recounts his gruesome family history which saw generations of his ancestors suffer and sacrifice themselves for the sake of their cruel lords.
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.