After War Gundam X (1996)

Set in the future, a giant fighting machine called the Aquarion is humanity's only effective weapon in the fight against the technologically advanced species called the Shadow Angels.

Ayato Kamina, a 17-year-old high school student, lives in Tokyo Jupiter oblivious to the world around him, having been raised to believe that the rest of civilization has been destroyed; but everything changes when a mysterious alien civilization invades his home.

The year is 2242. Kanata wants to be a Drifter and meets Noir, who is a dud Magus with no memories. However, because Noir excels in battle against the Enders, Kanata partners with her and discovers exactly what it takes to be a Drifter.

The story revolves around Duke Fleed who is a survivor of the Vega Star, raised by Dr. Umon as his adoptive son, and known as Daisuke Umon on Earth. Years after his arrival, he's faced with the threat of King Vega and his army, who want to conquer the Earth. With his friends Koji and Hikaru (and later his kid sister Maria Grace), Duke decides to fight back using his best weapon, the almighty Grendizer.

MegaTokyo 2040: Tokyo’s workforce is riddled with robots that tend to go on destructive killing sprees. Four young women gear up in cybernetic suits to battle an evil corporation’s bionic pawns while its grip on the city threatens to strangle humanity. In order to shut down an android uprising, these heavy metal heroines flirt with a critical meltdown in an adrenaline-fueled death match between woman and machine!

It is the year 0083 of the Universal Century. The rebellious Principality of Zeon has been defeated in the One Year War by the Earth Federation. However, a faction of Zeon remnants led by Aguille Delaz fled from the final battle, hiding themselves away. After three long years, they attempt to rise up once more, sending Delaz’s ace pilot, Anavel Gato, to infiltrate a Federation research base to steal one of two secretly developed prototype Gundams along with its deadly nuclear warhead. Threatened by the rogue Gundam suit and seeking to retain peace, the Earth Federation mobilizes the newly developed Albion carrier to recover the stolen unit. Manned by the remaining test pilots, with rookie pilot Kou Uraki piloting the remaining prototype Gundam, the Albion and her crew are determined to stop Gato, retake the stolen Gundam, and prevent the Zeon remnants from starting another war.

While on a field trip to the Tokyo Tower, three middle school girls suddenly find themselves in another world and must save its princess to return home.

It is thirty years after the failure of the Space Colonization Program. Humanity is nearly extinct. A perpetual and deadly Rain falls on the Earth. Men known as "Junkers" plunder goods and artifacts from the ruins of civilization. One such Junker sneaks alone into the most dangerous of all ruins—a "Sarcophagus City." In the center of this dead city, he discovers a pre-War planetarium. And as he enters he is greeted by Hoshino Yumemi, a companion robot. Without a single shred of doubt, she assumes he is the first customer she's had in 30 years. She attempts to show him the stars at once, but the planetarium projector is broken. Unable to make heads or tails of her conversation, he ends up agreeing to try and repair the projector...

In a world where humans coexist with androids called Neans, a group known as the Immortal Nine rises up against society. Tasked with disposing of the revolters, a Nean named Rouge Redstar (aka Metal Rouge) and investigator Naomi Orthmann head to Mars to track them down…but first, Rouge wants some chocolate.

Fifty years in the future, an oppressive authoritarian force threatens to conquer the world. A daring team is recruited to pilot a new form of weaponized neuroscience that powers devastating mecha, but they must be willing to sacrifice everything to save the world.