Hundred

Jun Misaki conceived Hundred to combine the thrill of action-packed battles with the charm of school life and heartfelt romance.

The series aspired to stand out in a crowded genre by balancing dynamic combat, a strong ensemble cast, and futuristic settings.

Illustrator Nekosuke Okuma's character designs quickly became a signature element, contributing to the franchise's popularity.

The story unfolds in a near-future Earth under attack by Savage, mysterious life forms that arrived with a meteorite crash in Antarctica.

To fight back, humanity harnessed meteor stone fragments called "Variable Stones" to create the weapon "Hundred," which only special individuals, known as Slayers, can wield.

These warriors are mostly young students, leading to the formation of the sea-based academy city, Little Garden, where they're trained to combat the Savage threat.

The world is richly layered with nations like Britannia Federation, Yamato Empire, and organizations such as the Holy Church (Puritaria), each with their political intrigue and power struggles.

Humanity is on the brink of devastation, repeatedly attacked by the monstrous Savage.

The only force capable of standing against them is the Hundred, drawn from extraterrestrial meteorites.

Hayato Kisaragi, a youth with extraordinary compatibility with the Hundred, enrolls in Little Garden—a mobile fortress and academy—to become a Slayer.

There, he reunites with his childhood friend Emilia Hermit, who conceals her royal heritage and gender behind a boyish disguise.

Alongside star student council president Claire Harvey and idol Sakura Kirishima, Hayato forms close bonds while navigating both school life and bitter battles.

Hayato's drive stems from the wish to cure his ailing sister Karen Kisaragi and to support those he loves.

Romantic entanglements blossom as Hayato becomes the focus of affection for multiple heroines, fueling both light-hearted school shenanigans and emotional confessions.

As threats escalate, including artificial Savage and political conspiracies, Hayato and his allies face increasingly dangerous enemies.

Climactic events see them uncover the cosmic origins of the Savage, clashing with ancient forces, uncovering secrets of the Holy Church, and making world-threatening sacrifices to secure humanity's future.

Hundred:

A shape-shifting weapon powered by Variable Stones, unique to each Slayer based on their compatibility.

Only a select few, typically youth, can synchronize and wield a Hundred.

Slayer (武芸者):

Combatants trained to deploy the Hundred in battle against Savage.

Their skills and compatibility dictate their rank.

Savage:

Alien lifeforms with armored bodies, distinguished by glowing yellow patterns, that threaten mankind worldwide.

Variable Stone:

A rare, red gemstone found in meteorites, forming the core of both the Hundred and the Savage.

Variant (ヴァリアント):

An advanced Slayer mutated by exposure to Savage fluids—possessing immense power but at risk of losing control.

The change commonly occurs via contact or exchange of bodily fluids, heightening emotional turmoil and desire.

Little Garden:

A massive, floating academy city, equipped with military facilities and powered secretly by the energy of Liza Harvey.

It houses several departments and serves as headquarters in the human defense effort.

Sense Energy:

A quantum energy unique to Slayers, activating the Hundred and attracting Savage.

Variable Suit:

Combat attire woven from Variable Stone threads, enhancing defense and weapon synergy for Slayers.

Light Novels:

Hundred ran for 16 volumes from 2012 to 2018, published by GA Bunko.

The series features extensive world-building, fast-paced action, and romantic drama.

Manga Adaptations:

• The main manga, illustrated by SASAYUKi, ran in Monthly Dragon Age and was collected in two volumes.
• "Hundred: Radiant Red Rose," spotlighting Claire Harvey, was serialized in Monthly Comic REX.

Anime Adaptation:

Produced by Production IMS, the TV anime aired from April to June 2016 on TV Tokyo, AT-X, and BS Japan.

It consists of 12 episodes, faithfully adapting the novel's school life, action, and harem comedy elements.

Web Radio and Games:

• "Hundred RADIO 100MHz" web radio aired in 2016, hosted by Rumi Okubo and M.A.O., feature cast guests and fan interaction.
• Social and puzzle games for smartphones brought the Hundred universe to gaming, though services have since ended.

The anime was green-lit during the GA Bunko 10th Anniversary Festival in 2015.

Production IMS handled animation, with director Tomoki Kobayashi and series composer Hideki Shirane scripting the adaptation.

Renowned illustrators and musicians contributed to the show's energetic appeal.

All lyrics were written by Shoko Fujibayashi, with composition and arrangement by Shuhei Naruse.

Opening Theme:

"BLOODRED" by D-selections (Takayuki Kobayashi, Azuki Shibuya, Yuki Wakai, Yoshino Aoyama, Mayu Yoshioka).

Ending Themes:

Varied by episode arcs, including vocal tracks by Emilia (Rumi Okubo), Sakura Kirishima (Mayu Yoshioka), Karen Kisaragi (Kaya Okuno), and ensemble performances featuring the main heroines.

Insert Songs:

Several music tracks performed by Sakura Kirishima and Karen Kisaragi, enlivening major anime scenes.

Hundred carved a niche among light novel fans and anime viewers, praised for its blend of action, school comedy, and heartfelt romance.

Claire Harvey and the other heroines became popular within the anime community, sparking discussion and cosplay.

The anime's lively production and energetic music further boosted the series' visibility, while the novels maintained a core following throughout their run.

The series is notable for its unique blend of powered suits, alien threats, and genetically enhanced heroes, putting a romantic twist on classic sci-fi action tropes.

With adaptations across multiple media and a globally accessible story, Hundred remains a memorable example of the early 2010s light novel boom.