A sapient rabbit named Mimio is born in an university lab experiment. However, Mimio thinks he is human. So he escapes and finds refuge under John, an orphan kid scientist who is constructing a train capable...

In an alchemical ritual gone wrong, Edward Elric lost his arm and his leg, and his brother Alphonse became nothing but a soul in a suit of armor. Equipped with mechanical "auto-mail" limbs, Edward becomes a ...

After being kidnapped by the cult Gorgom, Kotaro Minami were submitted to a mutant surgery with the purpose of becoming the candidates for the next Gorgom Devil King. Kotaro escaped and turned against Gorgom...

A mysterious being named Goa makes his intentions of dominating the Earth known to newspaper reporter Murakami and his son Mamoru. Mamoru takes a photo of Goa. Later, Mamoru acquaints himself with Magma, a s...

Two meteorites fell to earth – one with a giant robot inside and one with a small boy. The robot was taken to scientists, and the boy was raised as if human. But unknown to everyone, including the boy, is ...

"The Moon" is a giant robot created by the millionaire Baron, spending 2.5 trillion yen (at that time). Baron proclaimed that "God is Dead" and created The Moon as a replacement, to serve as a new power to b...