Deep into the twenty-first century, the line between man and machine has been inexorably blurred as humans rely on the enhancement of mechanical implants and robots are upgraded with human tissue. In this rapidly converging landscape, cyborg superagent Major Motoko Kusanagi is charged to track down the craftiest and most dangerous terrorists and cybercriminals, including "ghost hackers" who are capable of exploiting the human/machine interface and reprogramming humans to become puppets to carry out the hackers' criminal ends. When Major Kusanagi tracks the cybertrail of one such master hacker, the Puppeteer, her quest leads her into a world beyond information and technology where the very nature of consciousness and the human soul are turned upside down. (Source: Kodansha USA)

It is the 22nd Century, the Third World War (2099-2126) has decimated a large part of Earth even though nuclear weapons have not been employed during the conflict. Old nations such as England, France and China have survived but have difficulty restoring their power. On the other hand, new nations and organizations such as the Sacred Republique of Mumna and the Poseidon Organization have been born on the ashes of the world resulting from the Third World War. In this bleak future, we are introduced to ex-L.A. SWAT members Deunan Knute and Briareos Hecatonchires. Having survived the world conflict and living in a desolated city, they are found by a young woman called Hitomi who proposes them to follow her to the utopian city of Olympus which has become the world's most powerful organization and which registers the new relations in terms of politics, economics and military between new and old nations/organizations. In Olympus, they are integrated in the prestigious ESWAT (Extra Special Weapons And Tactics) organization, whose main mission is to protect Olympus from terrorist attacks and Olympus's interests in the world. From here on, the two main protagonists encounter a great number of other characters and organizations who will be implicated in international plots that target Olympus.

A fantasy world with a dark secret can still hold cheery villagers! But what happens when things start to go wrong in a reality so fantastic? (Source: Kodansha USA)

When Nanakorobi Nene, a cybernetically-enhanced girl-next-door, heads to the island metropolis of Cenancle to live with her aunt, she has no way of knowing what’s in store for her. A chance meeting intertwines her fate with that of the super-rich inventor, Uzal Delilah, and her adorable and grumpy companion, Clarion, who happens to be a cyborg just like Nene. Nene is thrilled to make a friend, but there’s more to Uzal and Clarion – and the island of Cenancle itself – than meets the eye. When a super-powered terrorist threatens Cenancle, Uzal claims that the only way to avert disaster is for Nene to team up with Clarion and use their combined powers – abilities Nene never even knew she had! (Source: Seven Seas Entertainment) *Note: Includes 26 extra chapters.*

The main plot revolves around the Yamata Empire's plan to destroy all the galaxy's negative karma using a massive technological reactor called the Nāga Generator. Unfortunately, negative karma cannot simply be destroyed, it must be atoned for. However the leader of the powerful mystic Buddhist Fuze Clan plans to stop the destruction of the negative karma which will end up creating the nine-headed Nāga and destroy the world if not the whole universe. To help in stopping the creation of the Nāga, the clan summons a Shinto god known as Susano, the Warrior God of Destruction. The powerful, arrogant, and homicidal god faces challenges. These include the Empire and the clan leader's own daughter, the bratty sorceress Seska, who is possessed by the power of the negative Karma and a powerful magic formula. (Source: Wikipedia)

Hida Kizuna possesses the HHG (Heart Hybrid Gear) ability, but it is not strong enough to make him particularly important. His older sister calls him to transfer to a strategic defense school, where many of the students (many of which are large-breasted girls) use their HHG abilities to fight invaders from another world while wearing extremely skimpy pilot outfits. Kizuna's fighting ability doesn't measure up, but his sister has another plan—apparently having erotic experiences with Kizuna will allow the girls to replenish their energy or power-up. It looks like his new school life is going to be full of embarrassment. *Note: Includes 2 extra chapters.*

While pursuing a criminal, the pretty but reckless interplanetary police officer Birdy Cephon Altera accidentally kills Tsutomu, an Earthling high school student. To make amends, Birdy is forced to share her own body with Tsutomu's spirit so that he can continue his own life. At first, Tsutomu knows nothing about his situation, but he soon discovers that his body is starting to take certain actions without his mind ordering it. In times of action, Birdy takes full control of their shared body, transforming it back into her original female form.

A remake of Tetsuwan Birdy. While pursuing a criminal, the pretty but reckless interplanetary police officer Birdy Cephon Altirra accidentally kills Tsutomu, an earthling high school student. To make amends, Birdy is forced to share her own body with Tsutomu's spirit so that he can continue his own life. At first, Tsutomu knows nothing about his situation but soon discovers that his body is starting to take certain actions without his mind ordering it. In times of action, Birdy takes full control of their shared body, transforming it back into her original female form.

After two years of being dormant inside Tsutomu Senkawa, an accidental encounter with their old nemesis violently wakes Birdy up. With Birdy kicking evil's ass once again, the dark secrets of the experiments conducted by the "Agni" corporation are slowly revealed. They seem to be dabbling with human body enhancement, creating what they call "beast men," to combat the alien invasions related to Birdy. (Source: MangaHelpers)

The next school is the ''devil's school"! The main character, Morioka Yuto, who is oppressed for the reason of being a human being, bets the seat of the next Demon King and fights against the strongest demons! However, Yuto had a reason to be selected as a candidate ......! ?

To demons, humans are nothing but slaves. Morioka Yuuto, an ordinary high school boy, is selected as a candidate to be the next demon king. He is admitted into Ginsei Academy, a school for demons where he's scorned upon by the other students. "...I'll make you the demon king. So... make me your kin." After meeting Himekami Rizeru, a beautiful demon girl, Yuuto's world begins to change.

Kakeru Meguri is a second-year student at Minami Myojin Public High School who plays the character named in the VRMMORPG <\>. One day a player suddenly appears in front of his eyes, which turns out to be his popular beauty classmate Ririko Asagiri. She believes that if they defeat the demon king they will be able to return to the real world, in fact, Kakeru knows that if a player dies in the game, their consciousness will disappear in the real world. To save an important person, Kakeru possesses the most powerful awaken forbidden force, "Adult Mode". *Note: Ecstas Online was discontinued due to the death of Kakashi Oniyazu on February 2, 2019.*