Set in a post-Apocalyptic Earth, Hayato Jin continues to lead the Saotome Research Institute after the events of Getter Robo Go. He has succeeded Professor Saotome's masterpiece prototype, the Shin Getter Robo, with a more stable creation: Getter Robo Arc.

A compilation of different authors and artists' take on Getter Robo. Featuring original short stories and art by: Eiichi Shimizu & Tomohiro Shimoguchi Naoto Tsushima Go Nagai & Dynamic Pro Masakazu Ooi Masayuki Fujihara Hiroyuki Imaishi Nozomu Tamaki

The Hybrid Insector (ハイブリッド·インセクター Haiburiddo Insekutā) is an unofficial dojinshi spin-off manga of the Showa Era Kamen Rider Series by Eiichi Shimizu and Tomohiro Shimoguchi (清水� �一×下口智裕 Shimizu Eiichi to Shimoguchi Tomohiro) (now famous for the ULTRAMAN and Linebarrels of Iron Manga). The manga would only publish nine chapters until Toei ordered a cease-and-desist for copyright violations

In ancient times, the King of Paroh is savagely murdered with his wife and servants in his castle by mercenaries from the Gohra army. Only his children, Prince Remus and his twin sister Princess Linda, managed to escape during the massacre in the surrounding forest. Quickly caught up by bloodthirsty murderers, they are saved by a strange-warrior with the face of a leopard. Suffering from amnesia, the mysterious savior only remembers his name: Guin. Twins explain him their situation and decide to help Guin hoping to learn more about its origins. On their way, they meet some allies including a young girl from an ape-people, a mage and a mercenary by the name of Isht Van. The small group will rally the tribes Sem and legendary giants, the Lagons, to expel the invaders and to avenge the massacre committed by Gohra.

Trepanation is the procedure of drilling a hole in the skull. It is said to increase the blood circulation and improve pressure inside the skull. It is also said to bring out a person's sixth sense, the ability to use ESP, see ghosts, move objects with one's mind. This is speculative fiction based on the concept of trepanation.

The world was plagued by Shocker, a mysterious terrorist organization. For its plan in world domination, Shocker recruited agents by kidnapping people, turning them into mutant cyborgs and, ultimately, brainwashing them. However, one of the victims was rescued just before the final step, and his name was Takeshi Hongo.

With his sanity and moral conscience remaining intact, Hongo became the grasshopper-looking, altered-human (改造人間, kaizou ningen) superhero Kamen Rider and battled Shocker with his newly acquired powers.

Maken XFrom Mangaupdates:A research laboratory in the international city Kanazawa. Kei Sagami, daughter of the chief of laboratory, Professor Hiromitsu Sagami, becomes a witness of an experiment - the awakening of a sword, the Maken. It's able to heal mental disorders, at least according to her father. But as strange foreigners forcibly break into the laboratory, kidnap her father and put the actual carrier of the sword out of action, she experiences the true meaning of the Maken first hand.

The great demon Mao Dante, exploiting the weakness of a boy exposed to his demonic influence in his dreams, is awakened from a thousand-year sleep. The intent of this being, a survivor of an ancient and forgotten civilization, is to wipe out the whole human race.
But it's not that simple: the motivations of the demon aren't so wicked as one might think, and they will combine with the life of the boy, which hangs between nightmares and craziness. In the meanwhile, the Satanists fight against the hierarchy of the church to obtain a justice which is, as it's easy to guess, that of the demon Mao.

This series didn't have an ending until its remake in 2002. Nagai took many ideas from Mao Dante into Devilman.

In the fifteenth century, when the French and English were at war, there appeared a woman claiming to be a visionary of God. She was Joan of Arc.

Based on the novel "The Picture of Dorian Gray" by Oscar Wilde, as depicted by Go Nagai.

After the world ended in the original Devilman, Akira Fudo is in hell, seeking the soul of his beloved Miki while at the same time Doctor Hell is beseeching the underworld for power in order to get his revenge upon the hated Mazinger. Akira sets in motion a chain of events that earn the enmity of Hades himself, who'll stop at nothing to avenge the slights Akira commits against him.

Fudou Jun (Devilman Lady) heads to St. Chapel School in order to track down a Devil Beast.

Tokugawa, the ruler of Japan wants to keep Japan isolated from the rest of the world, however there are those who oppose this decision and plot to usurp Tokugawa's authority. It's the job of one of Tokugawa's bodyguards to stop these evil plots.

From Storm in Heaven:

A collection of four short stories.
Story 3: Chihiro and Chiaki are twins with a special ability; Chihiro sees strange visions triggered by the things around him, but it's Chiaki who, without actually seeing them, knows what the visions mean. The trouble Chiaki has caused by blurting out the truth behind the visions has caused Chihiro to shut himself away to keep the visions from coming. But then, one day, his brother asks him to step outside...

A story where students face off against teachers to bring down the tyrannical education system.

In the feudal era of Japan, Ogami Itto is the elite executioner for the Shogun until the ruthless Yagyu clan frames him in an attempt to gain the position. His name dishonored and his wife murdered, Itto and his infant son Daigoro wander Japan as an assassin for hire, named Lone Wolf and Cub. Ultimately, Ogami Itto strives for revenge against the Yagyu clan.

The devastation caused by the Kantou Hell Quake sunk the buildings in the center of Tokyo deep beneath the waves. A great number of human lives and and a great deal of property sunk along with them. There's no shortage of people aiming to claim these sunken valuables. Many of those people are pirates, who arrived from overseas in salvage ships of unknown nationality. Every night, these pirates raid the chain of small islands, which all that remains of the Kantou region, and assault the survivors.
However, there was no one who was able to stand against the pirates! It was a completely lawless zone. It was Japan, but not Japan: A land and a people completely forsaken by their country.
That is, until Violence Jack rises from the ocean to help the islands' inhabitants fight the pirates and their allies, the New Shu Army.

While Professor Saotome completes his masterpiece, the Shin Getter Robo, a strange object enters the Earth's atmosphere. Hayato, in control of the lab while Saotome obsessively works, orders Getter Robo and Getter Robo G to launch and destroy the object before it impacts.

Stardust Memories is a short story compilation of human beings in the distant future where we have traveled deep into space. Each story describes a moral dilemma that people traveling in space may experience which is something that we have yet to determine in the current world.

Stardust Memories talk about such problems as the implications of having people travel for years, even decades, in the cold, quiet and endless universe. A different story tells on how human presence in a foreign galaxy will affect the environment. The topics the author decides to write about are interesting and makes you wonder about the future.