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Demonbane

Third-rate detective Daijujukuro is tasked with searching for a powerful grimoire, teaming up with Al, who is being pursued by Black Lodge, and confronts him in a Demonbane discovered underground.

Work information
Title of the workDemonbane of the Great Slayer of Demon Blade
Chinese nameDemonbane
The publication date listed in the materials2003-04-25
PlatformPC / PS2
GenreAbsurd super robot ADV
Also known asMecha God Roar Demonbane
Developmentニトロプラス[Nitro+]
ReleaseNitroplus, Kadokawa Shoten Co., Ltd., JAST USA
ScriptSteel Shop Gin
Key animationNiΘ (Benevolent NiΘ)
MusicMasayoshi Murakami, Yo Oyama, Toshimichi Isoe, Yasuhiko Tachibana, Shintaro Jimbo, Shinichi Amaya, Kaori Tsutsui (tutti)
Game engineN2System
Website address recorded by the sourcehttp://www.demonbane.com/special1/index.html
External links to source recordshttps://erogamescape.org/~ap2/ero/toukei_kaiseki/game.php?game=2704 / https://vndb.org/v231 / http://www.getchu.com/soft.phtml?id=671262 / https://www.dlsite.com/maniax/work/=/product_id/VJ004186.html

Source: Structured works maintained by the Bangumi community, filtered and rearranged by this site.

Detective commissions and escapes

Third-rate detective Daijijikurou, who has no stable job, takes on a commission to find powerful grimoires. During the investigation, he encounters a young woman named Al Ajif, who is being pursued by the criminal organization Black Lodge, and is soon drawn into the chase as well. Mad scientist Dr. West and the destruction robot block their way; During their escape, they discover a giant robot called Demonbane sleeping beneath the city, and Kuro decides to pilot it to confront them. Nitroplus officially began the story with this encounter.

Jiulang, Al, and their opponents

Kuro transforms from a down-and-out detective running around for a contract to a fighter piloting the Demonbane, while Al is a girl with key knowledge and a mysterious identity. Their encounter changed Jiulang's previously focused only on making a living. Black Lodge is the main threat, while villains like Dr. West bring a sense of scientific bizarre into the conflict. The game features characters teaming up, investigating, and piloting giant robots to fight enemies, creating an adventurous atmosphere distinct from traditional campus romance ADVs.

Absurd super robot ADV

The game uses text-based ADV storytelling, blending detective commissions, grimoire-themed elements, criminal organizations, and super robot battles into one world. Nitroplus's official genre tag is "Absurd Super Robot ADV," with the core experience being reading the story and advancing Kuro and Al's adventure, rather than real-time mech control combat. Dubbing uses partial voice acting; The original PC product materials feature story by Jin Hagaya, original artwork by Niθ, and music credited to ZIZZ STUDIO.

Original PC work and version range

Nitroplus released the original PC title on April 25, 2003, targeting adult players. According to the official explanation, the differences between the CD, DVD, and Nitro The Best reprints mainly lie in the media, packaging, and operating system compatibility; the game content remains unchanged. There is also the PS2 version of "Mecha God Roaring DemonBein," which is a home console port and cannot automatically consider its voice acting, performances, or version specifications as original PC features.

From commissioning to driving robots

Kuro makes a living as a detective during a struggling period. After accepting a commission to find a grimoire, he meets Al and gets caught up in the pursuit. Dr. West's destructive robot blocks the way, and the two discover the giant robot Demonbane underground in the city. Kurou decides to pilot it to fight.

Partners with city life

Al is proud and often clashes with Kurang. Laika runs an orphanage and takes care of his life when he lacks work; Secondhand bookstore owner Naia provides investigation assistance. As the head of the conglomerate, Ruri Hado takes on the responsibility of protecting the city, with the butler and maid team supporting her.

Black Lodge and Masked Heroes

Master Therion leads the magical society, with scientist Dr. West, the cyborg Sandlfin, and the ambitious cadre Augustus. The masked hero Metatron resists the Society, and Sandlefin sees him as his arch-enemy.

Production and original scope

Script by Jin Hagaya, key animation by Niθ, music by ZIZZ STUDIO. The original PC version was released on April 25, 2003, with partial voice acting. CD, DVD, and Nitro The Best! Vol.3 differs in media, packaging, and system, but the official description states the same game content.

Songs and soundtracks

HOLY WORLD is the original OP, performed by Yuichi Ikuzawa, with lyrics by Hassy and arrangement by Toshimichi Isoe. The 42 dual CD soundtracks also include Masatoshi Ono's Shine, Kanako Ito's 'Ten'i Yuuyuu,' and a specially added vocal version of the Machine God Roar; Mixing and accompaniment are not considered separate songs.

Source: Structured works maintained by the Bangumi community, filtered and rearranged by this site.

Related entries

References

Source author: Bangumi article contributor and community maintainer; License: CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/); Adaptation: This site filters and reorganizes structured facts, without copying the article summary.

Data compiled on: 2026-10-07.

本版编辑：免费机器翻译 · 2026-10-11

内容许可：CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0/

本译文依据的源修订