The secret society "Big Fire", scheming to conquer Earth, is furthering Project GR. The special investigation organization of the United Nations dispatches an agent in Country T to interfere with the plan...

In the mid-1990's, Yasuhiro Imagawa adapted Mitsuteru Yokoyama's original manga, Giant Robo, into a 7-part OVA series entitled Giant Robo: The Animation - The Day the Earth Stood Still. Imagawa's adaption...

A collection of 3 comics (a 5 part side story by Mitsuteru Yokoyama that ran from November 1967 to March 1968 in Shogakukan Comics and two Giant Robo short stories Yokoyama made in April 1968 for Second Grade...

A short story from the Apple Collection by HICHI.

The story begins with an attack on humanity by giant indestructible monsters named "Enemies". The Enemies drive humanity to the brink of extinction... but the one to save the world from the depths of hell is a...

Eight years prior to the story, explosions caused by scientists at the foot of Mt. Asama caused a meltdown of Getter Ray energy that spread throughout all of Japan. People throughout the world began to...

The plot is about Japanese teen Yamato Hibino, who is sucked through a time warp into the past, where the dinosaur army of the Dragonia Empire threatens the world, and Queen Aira of Mu needs Yamato to help her...

Great Mazinger starts after the defeat of Mazinger Z. Tetsuya Tsurugi is the new protagonist, piloting the powerful Great Mazinger, a creation of the once thought dead Kenzo Kabuto, the father of Koji Kabuto...

Another version of the Great Mazinger, different from the OUTA Gosaku, being way shorter.

An alternate Great Mazinger manga by OUTA Gosaku. Not to be confused with the version by NAGAI Go.

A story about a Hyper Agent named Vise who was left behind. He goes off on an adventure with a mysterious girl who can transform into a Gridman-like entity

Manga adaptation of the 1976 anime, Groizer X (aka Gloizer X).

After the outbreak of the unidentified virus "Lost Christmas" in 2029, Japan has been under the control of a multi-nation organization called GHQ. Ohma Shu is a 17 year old boy who has a psychic power in his...

U.C.0122. One year prior to the completion of the F91, an organization known as Oldsmobile was active. The Earth Federation Forces had organized a unit to suppress them, but outer space has once again turned...