Takeo Watta inherits a company upon his father's death. The company focuses on space travel, and the transformable robot Trider-G7 is their greatest creation. When an evil space organization lead by Lord Zakuron starts attacking Earth, Watta has to use Trider in a more combat-oriented way.

In the world of motocross, 16-year-old Satoshi Ichimonji fights his way from the novice grade up to Junior Cross championship.

Nobumasa is a boy who works part-time in a shoe store, where he meets Mizuki, a girl whose abusive family life has left her unable to trust other people. Meanwhile, Nobumasa is unaware that another girl, Seiko, has a crush on him but is unable to express her feelings.

Kozuki Mai is an elementary student who wants to be a magician and perform in her family's "Magicarat" magical act; however, she is too young, and her magic skills are not very good. Then one day, she encounters a ball of light that was put into a stuffed doll of flying squirrel, bringing it to life and somehow giving her the power to turn in to the 18-year-old magician "Magical Emi." As Emi, Mai was able to join the magic act. But she must keep her identity a secret from her family and from her crush.