Prequel to the first song in the Vocaloid series, “,” and follows the events between the schoolgirl detective who loves mystery novels, Hanamoto Hibari, and the extremely sadistic mystery novel writer, Kudou Renma.... more>>

As the high school is busy with preparations for the Culture Festival, a female student is found on the roof, collapsed and bleeding.
Written in blood is a single “X.” Is this an accident? Or a case? Hibari sets out to uncover the truth. <<less

Side story of Kyoukai Senjou no Horizon bundled with the first press release of the 1st, 3rd, 5th and 7th Blu-ray volumes of both seasons of anime.... more>>

This side story follows Asama, Kimi and Mitotsudaira aboard Musashi one year before the beginning of the main story, as Asama is considering to create a music band together with her two friends for the next festival in Aki, a territory under the governance of K.P.A. Italia. <<less

What would you do, if a girl you're interested would confess to you? On top of it, it wouldn't be just one girl. A cool... more>> upperclassman adored by the whole school. And your cheerful, energetic childhood friend. I bet you would be over the moon. Thing is, what if there was an unexpected problem about the contents of that confession? <<less

The gods left the world a blessing before leaving. On the border of “Misthound” lived Selo, an apprentice pharmacist. Although his grandfather was an excellent... more>> magic tool craftsman, he was unable to inherit any ability to make or use magic tools. After his grandfather passed away, he continued to work hard under his master Ordoba, while training to become a pharmacist. One day, a young man from the Royal Magic Knight named Helmbekt appeared. It seems like he was interested in his grandfather’s magic tool. <<less

The Principality of Atall lies between two great powers: the Kingdom of Allion to the west, and the Holy Dytiann Alliance to the east. Leo Attiel, the second-born prince, was sent to Allion as little more than a hostage, where he studied and trained in the military arts under a frontier general. And now, the times have reached a turning point. ... more>>

Relations between Allion and Conscon Temple, a neutral land adjoining Atall, have worsened. Percy, sent from Atall as reinforcement; Camus, a warrior monk; and Kuon, a mercenary from a remote region, join forces to resist the looming threat of Allion’s army.

At the centre of the fighting, the three of them and Leo are about to have their fated encounter. <<less

Layla Ashbury, the Duke’s daughter, has been sleeping for two years. When she woke up, the first thing she learned was that her fiancé, the crown prince, was about to marry her younger sister, Rose. Her parents excused themselves, saying that the Royal Family insisted on marrying into their family, and in the end, it was her younger sister Rose who won. Although it was only a political marriage, Layla truly loved the crown prince; but now her only option was to marry someone else and see her little sister be happy with him.... more>>

At the end of her rehabilitation treatment, Layla was able to walk around her house and it was at this point that she decided to enter a monastery on the outskirts of the Imperial Capital, which was famous for “denying access to anyone who wishes to enter”. One day, without telling her parents or the servants themselves about her whereabouts, Layla escapes from her home. But on her way, Layla is caught in the middle of the road by the heavy rain. And at that moment a young wizard appeared, whom she recognized as a famous person, and extended a hand to help her when he saw her deplorable state.

A dreamy love story, which begins with the escape of the Duke’s daughter after a heartbreak. <<less

A massive underground labyrinth awaits in an alternate world of swords and magic. With a game-like system much more familiar than spells and magic circles, Beatrice has managed her magic and risen to the position of “strongest”, but she still has her worries.... more>>

"Bghohhh!! Bshrrrr…mumble mumble…"

"B-Boo Boo! Stop! Stooooooop!! I’ll…I’ll be crushed!? I-is my, ah, love being tested!?"

Who is the legendary man named Boo Boo who, just by taking a nap, can overpower the Level Cap Holy Swordswoman? A thousand meter dragons and a proud elf girl will also show up, so what exactly is going to happen with these residents of another world!? <<less

A 183cm tall female college student, Kohiruimaki Karen, has a complex about her tall figure and has a poor social disposition because of it. This was changed by the VRMMO game «Gun Gale Online» (GGO). In the game, Karen obtained a dream "chibi" avatar less than even 150cm in height, put on a full-body pink uniform and, as the player "LLENN", frolicked around the world of GGO.... more>>

A beautiful player "Pitohui" appeared before LLENN. She was a rare female player in GGO and so the two hit off well―but one day, LLENN was asked to take part in a team battle royale formal tournament «Squad Jam» by Pitohui...

An official spin-off of Sword Art Online supervised by Kawahara Reki, written by the gun supervisor of the Sword Art Online II anime, Sigsawa Keiichi (the author of Kino's Journey), and illustrated by Kuroboshi Kouhaku. <<less

Welcome, Kamijou Touma-kun, to the colorful underground!... more>>

Kamijou Touma meets two girls in Academy City’s back alleys.

One is Mitsuari Ayu, a lady of Tokiwadai Middle School with the Metal Stinger power to control people’s minds. The other is Kumokawa Seria, a mysterious genius high school girl who can control people’s minds without any power.

Kamijou is at the mercy of those girls, but those peaceful times do not last long.

That kind time is torn apart by a gigantic creature that towers over them: a dragon. Who is the Biohacker who created it, controls it, and freely gives it the power to fight?

Why is that giant creature pursuing Mitsuari Ayu? Kamijou Touma enters Academy City’s deep darkness to protect the girls.

It all happened one year ago.

It is the summer of Kamijou Touma’s third year of middle school. This is an untold story different from the time he spent with Shokuhou Misaki. Kamijou Touma’s starting point begins here. <<less

In the year 298 from the era of the gods, elementary school girls Sumi Washio, Sonoko Nogi, and Gin Minowa are tasked with an important... more>> mission. They are to become heroes and fight Vertex, a mysterious enemy that is attacking Shinju-sama, the god tree that protects Shikoku, the only area in the world that is still habitable. What they don't know, is that this fight will cost them more than they could have ever imagined. <<less

Minoru Utsugi, a teenager who was living a peaceful (if boring) life with his sister-in-law, finds his life changed when extraterrestrial contact grants his dearest... more>> wish, leaving him with the power of "The Solitude." But the ability to realize absolute isolation only plunges Minoru into a battle he never wanted to fight. As his old life comes to an end, he steps into a new role—as the "Isolator!" <<less

The light novel is the official prequel to the anime series.... more>>

It tells the story of how Yuri and Hinata meet, how they find out about “Angel” and the other characters and how the SSS was founded. <<less

There is an urban legend about a shinigami that can release people from the pain they may be suffering. This Angel of Death has a name — Boogiepop. The legends are true. Boogiepop is real. ... more>>

When a rash of disappearances involving female students breaks out at Shinyo Academy, the police and faculty assume the girls have run away. But Nagi Kirima knows better. Something mysterious and foul is afoot. Is it Boogiepop or something more sinister...?

Told in a non-linear fashion that invites the reader to piece together the sequence of events and solve the mysteries alongside the characters, Kouhei Kadono’s first Boogiepop novel took First Place in Media Works’ Dengeki Game Novel Contest in 1997 and ignited the Japanese light novel trend. Today there are more than 2 million Boogiepop novels in print, plus a manga series, a live action feature film, and an unforgettable anime series, Boogiepop Phantom.

In 2006, Seven Seas released the first three Boogiepop novels and manga to critical acclaim. Now, Seven Seas is pleased to relaunch the novels in their original light novel format, along with three never-before-released novels starting with Boogiepop at Dawn, which chronicles the long-awaited origin of the mysterious Boogiepop. <<less

The world is terrorized by the powerful Black Witch who has been sealed in the moon. Every ten years, the night of Hexennacht arrives and a chosen witch must battle the Black Witch in hopes of finally defeating her.... more>>

As the current decade’s Hexennacht approaches, a mysterious girl named Kagami. Kagami arrives and meets Horinouchi Mitsuru, the daughter of the previous Hexennacht representative.

It takes place between Kyoukai Senjou no Horizon and the City Series, two other series by the author. <<less

Vampires can only go out at night, so he decided to work the graveyard shift at a convenience store in modern Japan!?... more>>

Vampires are creatures that turn to ash if they are exposed to the light of the sun. He can only move around at night, but he’s actually been able to live quite comfortably in modern times.

Why is that, you ask? That’s because there exists the concept of a “graveyard shift”.

Toraki Yura is a vampire who lives in the modern age. He works at a convenience store in Ikebukuro (graveyard shift only), and lives in a semi-bas**ent apartment that gets next to no sunlight (blackout curtains are a necessity). For the sake of going back to being human, he lives his life on the straight and narrow everyday.

However, after saving a blond-haired beauty from a drunkard, he finds out that she is Sister Iris, a nun who found her calling in exterminating vampires! Moreover, his natural enemy ended up as an unwanted guest in his apartment!? What is going to happen to Toraki’s peaceful vampire life!?

A slice-of-life fantasy brought to you by Wagahara Satoshi, author of the “Hataraku Maou-sama!” series! <<less

"I have not committed a single crime. And I think I can prove that I am innocent."
A letter was discovered in the room of a suspect after he had been released from juvenile prison. And shortly following this discovery,  a message was found written on the wall at a crime scene: "I am innocent."... more>>

Meanwhile at an editorial department for the gossip magazine Last Week Weekly, the editor-in-chief Rui Otonobe - alias Otsuberu - is approached by a mysterious, daunting man with a scar running across his face named Yukihiro Kisa as a new reporter for the magazine company Iibane Publications. As the two try and find the latest scoop, Kisa and Otonobe find themselves in the web of serial killings and corruption. <<less

There are twenty independent stories written by twenty different authors, sharing the common theme of “April”. ... more>>

An anthology that is considered a rare item as it has never hit the shelves as a standalone book. There is no ISBN and it is an unbuyable except in online auctions. The anthology was published as a bonus gift to Dengeki Magazine readers in 2009.

It now has a Kindle release. <<less

9 p.m., 1 meter.... more>>

That is the secret time and distance between me and the goddess. Yes, the goddess lives next door to me.

“Asahi-kun, why do I like you?”

Kanako Himi, a perfect girl, asked sweetly on the balcony. I shouldn’t get involved with the boring me for the rest of my life.

But it started when I moved next door and when she said she liked me.

Irreplaceable days of gathering precious time with overly cute seniors.

In the world above the secret veranda near and far, there is only my senior goddess and I know in this world. <<less

Nijigen is a freshman and Banri's friend. He gains his nickname at the tea ceremony club's welcoming party after declaring his despair of the three-dimensional... more>> world and that he would live for the two-dimensional world from then on. His nickname in high school was "Satoutaka". <<less

Asaba Naoyuki is an ordinary junior high school student. As a member of his school's press club, he's just spent the summer camping outside the... more>> local military base, in hopes of seeing the UFOs that are secretly kept there, according to local legend. Returning to school, he meets a strange girl, Iriya Kana, and gradually comes to realize that she is more than merely strange - and that a dark secret lies beneath the world that he knows. <<less

Ange, a Royal Magician, is looked down on by her peers despite her excellent ability because she's a commoner. To bear the loneliness, she closed... more>> her heart and lost her cute side. Ange was given a mission to save the world by defeating the Demon Lord May-Hem. In addition to this, she has to travel with Rex, a good-for-nothing knight who was born in a family of heroes, but has a fear of blood. <<less

To commemorate its 20th year anniversary, that legendary arcade game makes a miracle collaboration with "Index"!... more>>

In Academy City, there is a popular next-generation contest.

In reality, this is a hand-to-hand battle between gigantic Virtuaroids that appear on the streets. It's formally called as "Computerized War Machine Virtual-On". Since it can be argued that Level 5s and Level 0s are equal given the technique, it has spread with explosive force among the students of Academy City.

One day, Index with her white Bal Bados, fights Touma's stock Temjin.

"I'm Ririn. Purajina Ririn. I'm not Ririna... Munya..."

A seemingly insomniac girl arrives at Academy City.

And, Kamijou has an encounter. The usual Virtual-On meets an unavoidable unprecedented accident. That is, the Computerized War Machines fuse with Academy City, a sign of a grand battle about to happen! Misaka Mikoto and her Raiden, Shokuhou Misaki and her Angelan, as well as many others will make appearances! <<less

"Hotel Williams Child Bird", nicknamed <Birdcage Manor>, inhabiting in there are eccentric people who can't fit in the normal society.
A day-dreaming beautiful woman, a Gothic Lolita that's a grade school-er, a person in a cat's costume, the eerie elder twins and an unidentifiable piercing cry that continues to resound.... more>>

In such <Birdcage Manor> one of the residents - Kizuna Etoh, in her 16th winter makes acquaintance with an Art collage student living on fifth floor like a hikikomori - Yusei Asai.
And then she is invited to a part-time job as a nude model for paintings.
In an disorderly atelier with a heavy scent of oil paints as she spends time together with Asai, she feels that to her that time is gradually becoming a valuable part of her everyday...

It's a story how <Birdcage Manor's> a bit odd residents' pass a bit odd but in various ways their normal everydays. <<less

Bokusatsu Tenshi Dokuro-chan (撲殺天使ドクロちゃん, literally Club-To-Death Angel Dokuro-chan) is a novel series written by Masaki Okayu and illustrated by Torishimo. It centers around a young... more>> boy named Kusakabe Sakura and an angel, Dokuro-chan, who comes from the future. She's cute, loving, and frequently kills him violently with a giant spiked club named Excalibolg (only to resurrect him seconds later), but that's how she shows her love for him. <<less