ChäoS;Child takes place in October 2015, six years after the events of ChäoS;HEAd. Abnormal events begin to occur in Shibuya district, including mysterious deaths.
Nadie is a bounty hunter targeting Ellis, a young amnesiac girl who is a suspect in the murder of a famous scientist. Nadie manages to apprehend Ellis, but on a whim, decides to help unlock Ellis's memories.
Tazuna is a high school student, living in Osaka, who loves to fiddle around with machines. One day, he receives a repair request from an university laboratory. He accepts the request and ends up meeting a girl named Koyori, who has been bedridden for a very long time. Suddenly, Tazuna and Koyori get pulled into a whole different world called “Ziggurat”. In this world, there are Hand Shakers, two people who touch hands and create the Nimrod. Their goal is to defeat other Hand Shakers in order to gain an audience with “God”, who will grant them wishes. Protect with your own Hands!
Kaoru is an office lady you can find anywhere, serious and works diligently, but her husband is a super otaku and more-or-less a NEET. She is caught up in one of her husband's whims one day or the subject of his concerns another, but the two are so close that it's embarrassing to even watch them!
Ichinomiya Shingo, an everyday twenty-five-year-old office worker, wakes up as Wendelin, the 8th son of an impoverished noble family out in the sticks. He soon despairs at his lack of succession rights and knowledge to navigate the political world, but finds hope in his aptitude for magic. This is the story of that young man earning his keep and his freedom through magic, with no world saving involved, and spending quite a while escaping his solitude. Ultimately, it is also the story of him being unable to escape the shackles of society.
Two centuries have passed since a hero defeated the evil Jaryu and saved the world. In one of the many dungeon cities, Raust, a healer scorned and cast out of his party for being too weak, struggles to find his place. Amidst despair, he meets martial artist Narsena, who invites him to form a new party together. With a fresh start and renewed motivation, the two begin their journey to greatness.
After graduating high school, Suzukaze Aoba joins Eagle Jump, the game company that developed Fairies Story, the game she obsessed over as a kid. On her first day as a working member of society, Aoba heads to work swaying in a packed, morning rush hour train. She manages to get to the office building all right but hesitates, wondering if it was really okay for her to take that last step and go inside. That's when a senior member of staff, Toyama Rin, shows up at work and safely leads Aoba inside the offices of Eagle Jump.
Takuya and Rika work at the same travel agency in Tokyo and are both happily introverted and single. But their company is opening a new branch in Alaska next year, and employees without a spouse will be recruited to work there. Desperate to avoid the move, and though they’ve hardly spoken before, they decide to fake an engagement. Can these quiet coworkers become a convincing couple?
In the year 2043, Infinite Dendrogram, the world's first successful full-dive VRMMO was released. In addition to its ability to perfectly simulate the five senses, along with its many other amazing features, the game promised to offer players a world full of infinite possibilities. Nearly two years later, soon-to-be college freshman, Reiji Mukudori, is finally able to buy a copy of the game and start playing. With some help from his experienced older brother, Shuu, and his partner Embryo, Reiji embarks on an adventure into the world of Infinite Dendrogram.
The stage is Sapporo, Hokkaido. One night, our heroine, Minare Koda, spills her heartbroken woes to a radio station worker she meets while out drinking one night. The next day, she hears a recording of her pitiful grumbling being played live over the air. Minare storms into the station in a rage, only to then be duped by the station director into doing an impromptu talk show explaining her harsh dialogue. With just one recording, the many eccentric facets of Minare's life begin to pull every which direction as she falls ever deeper into the world of radio.
Cecily's a blushing knight in shining armor. Unfortunately, it seems most battles end with her as the damsel in distress. Her lack of skill and distaste for violence make her an unlikely heroine - until the brooding blacksmith Luke comes to her aid, using his powerful magic to forge blades of supernatural strength. Cecily wields this sacred steel and charges forth to face a dangerous new threat. A cloaked fiend is unleashing demons upon the land, and though he lurks in shadows, the villain is much closer than Cecily can imagine.
Fumi Manjoume enters Kamakura's accelerated high school - Matsuoka All-Girls High School. While waiting at the Kamakura station on the day of her entrance ceremony, she runs into an old childhood friend whom she had not seen in 10 years: Akira Okudaira. As their friendship is rekindled and they start falling back into the rhythm of friends again, it starts a delicate love story...
Every 12 years, mercenaries with the highest caliber of brute strength, cunning wit, and deadly precision gather to participate in the Zodiac Tournament. Each warrior bears the name and attributes of one of the 12 animals of the Chinese zodiac. With their pride and lives on the line, they engage in vicious combat until only the victor remains.
In an unexpected turn of events, dull high school student Hiro Yuuki obtains the full dive role-playing game Kiwame Quest. Created by the best of technology, the game claims to take "reality to its extremes," from stunning graphics, NPCs' behavior, to the scent of vegetation, and even the sensation of wind brushing against the skin—everything was the result of an ultimate workmanship.
Except, the game is a little too realistic and messy to clear. Kiwame Quest features over ten quadrillion flags and reflects the players' real-life physical abilities in the game. Being hit in the game also hurts in real life and slash wounds take days to heal.
The only reward here is the sense of accomplishment. Conquer the most stressful game in history that can't be played casually!
Another dimension that continues to taint our world, the Shadow World. Humanity is faced with the worst calamity, known as the Shadow Labyrinth. In spite of their desperate attacks, Desir Herrman and his friends lose their battle to the Destruction Dragon, Boromir Napolitan, and the world comes to an end. When Desir is convinced of his end, he opens his eyes... to find himself 13 years in the past. Desir has gone back in time to the enrollment ceremony of Hebrion Academy, the top school for mages in the Empire. To change the future of impending doom, Desir reassembles his friends once again to save the world!
To protect her hometown from the Erebonian Empire and to distinguish herself from her grandfather’s disloyalty, Lavie enlists in the Northern Jaegers where she’ll do whatever it takes to carry out the mission. Now this rule breaker must form a platoon to embark on a dangerous recon mission into enemy lines—will her mission be a success?