A boy is walking home through the city where he finds a new path that he follows. It starts to rain and he seeks shelter with the aid of a girl. He falls in love with the girl. He gets a feather, and if he always carries it, they will meet again. He returns to his home following the path, but the next day he cant find it again. Time progresses and he forgets the girl. 50 years later he returns to the same city and he dreams of the girl. He is still dutifully carrying the feather. Written, drawn, and directed by famed illustrator Yoshitaka Amano.

A pair of researchers stays behind on their dying planet of Eltria with their two daughters, Amitie and Kirie, in hopes of finding a way to revive the planet. But when the husband Granz falls ill it seems their dream of reviving the planet will die. Against her older sister's wishes, Kirie sets off with her childhood friend Iris to seek help from a distant alternate world. They arrive in Japan on Earth to search for the key to their planet's regeneration. There, they meet Nanoha, Fate, and Hayate.

The story is set in modern times, but the twist to the story is that Mazinger is an ancient weapon of the gods, left on earth to battle the evil space gods who have returned to take over the universe.

In the year 1999, humanity begins to advance beyond the solar system. The planet Gishin, led by the Emperor Zule, which aims to conquer the galaxy, runs into conflict with Earth. He targets Earth for elimination and to do this, he sends a baby called Mars to live among humanity. Accompanying the baby is a giant robot named Gaia, which utilizes a new power source strong enough to destroy an entire planet. As planned, Mars is expected to grow up, where he will activate the bomb within Gaia to fulfill the mission of destroying the Earth. However, when Mars arrives on Earth his is adopted into a Japanese family and given the name Takeru. Seventeen years later, Takeru would grow up with a love for humanity and refuses to detonate the bomb as ordered by Zule. However, if Takeru was to die, the bomb within Gaia would explode destroying the earth. Takeru possesses psychic powers ( ESP ) and decides to join the Earth defense forces and becomes a member of the Crasher Squad (an elite space defense force) where he and his friends take a last stand against the Gishin's attack. The relationship of Takeru with his brother Maag, which fate would have it, pitted the two against each other in the war. Unknown to the Gishin five other robots were created in secrecy along side Gaia by Takeru's father and sent with Gaia to protect Takeru. Whenever Earth is in danger, Takeru is able to summon the five other robots to combine with Gaia form the giant robot Godmars. The five other robots are Sphinx, Uranus, Titan, Shin and Ra.