NITRO CHiRAL

History

The company was formed in 2004 and released their first work, Togainu no Chi, in 2005. Their second game, Lamento: BEYOND THE VOID was released in 2006. A fan disc named Chiral Mori was released in 2008. It is an amusement disc that includes three minigames and features the characters of their first two games. While Togainu no Chi and Lamento were adult games, Chiral Mori was given an approval for all ages. Their third game, Sweet Pool was also released in 2008 for adults only. During the same year, Togainu no Chi was re-released on PlayStation 2 for ages 15+ and called Togainu no Chi True Blood.

A monthly subscription based app for mobile phones called CHiRAL MOBiLE launched in 2010. The app included extra's such as original artwork and phone wallpapers. Two titles where released and accessible within the app. The first of which, **, released in four separate parts. On June 7, 2010, the common route released, on July 5 Yūto's route released and on August 2 Sakai's and Kazuki's route released. A drama CD taking place after the events of the game released on November 17, 2010. On December 16, 2010, their second mobile title, World's end Nightmare, released on the app. The game released in 30 chapters, with a new chapter releasing twice a week, on Tuesday and Thursday. In October 2012, CHiRAL MOBiLE was discontinued.

In 2010, Togainu no Chi was ported to the PSP handheld consoles as Togainu no Chi True Blood Portable. Nitro+chiral released their fourth game, Dramatical Murder, in 2012. A fan disc of Dramatical Murder called Dramatical Murder re:connect and featuring additional scenes and songs was released in 2013. A 15+ PlayStation Vita port of the game called Dramatical Murder re:code was released in 2014. In 2015, Togainu no Chi was ported to iPhone and Android devices; both versions are based on the PlayStation 2 port for ages 15+. In 2016, Nitro+chiral re-released Togainu no Chi, Lamento: Beyond the Void and Sweet Pool for the Windows 10 operating system.

THE CHiRAL NIGHT rhythm carnival, a rhythm game featuring characters and music from previous released Nitro+chiral games, released in 2017.

In 2021, Nitro+chiral released their fifth game, Slow Damage. Within the same year, a browser based mobile side story called Slow Damage: Clean Dishes was released, featuring all new characters within the same setting as its original game.

On January 4, 2023, the brand name was changed from Nitro+CHiRAL to NITRO CHiRAL, along with a new logo.

In 2025, Nitro Chiral launched a marking campaign to celebrate its 20th anniversary called NITRO CHiRAL Memories. This included a range of merchandise and an exhibition from may 30 to October 27 in Tokyo, Osaka, and Kyoto.

On July 23, 2025, Togainu no Chi True Blood was released for Windows PCs. Dramatical Murder re:code released on Nintendo Switch on December 25, 2025.

English localisation

On July 4, 2018, it was announced at the Anime Expo that JAST USA's new JAST Blue branch, which focuses on boys-love games, will release Nitro+CHiRAL's visual novel titles in English.

On June 14, 2021, JAST Blue announced that they will be postponing their localization of Lamento -Beyond the Void- indefinitely.

On December 19, 2025, English support for the steam version of Togainu no Chi True Blood released.

Video games

2008 - PlayStation 2 2010 - PlayStation Portable 2015 - iOS 2015 - Android 2016 - Windows 10

• The PlayStation Portable, iOS and Android versions are all based on the PlayStation 2 port.
• The Windows 10 port doesn't feature any alterations from the original release.

2016 - Windows 10

• It consists of three minigames featuring characters from Togainu no Chi and Lamento.

2016 - Windows 10 2018 - PlayStation Vita

2014 - PlayStation Vita 2025 - Nintendo Switch

• The PlayStation Vita port, called Dramatical Murder re:code, was rated CERO C (15+); the sex scenes and nudity were removed while the violence was toned down. Added a new route for one of the side characters.

• It's a rhythm game featuring characters and music from previous released Nitro+chiral games.

Staff

Each game has its own list of staff and other collaborators, listed here is the core staff from their newest title Slow Damage.

• Producer:
• Scenario Writer:
• Lead Programmer: Kukuruna
• Character/CG Illustrator: Yamada Uiro
• SD Character Illustrator: Yuupon
• Public Relations: Chiral-kun
• Sales: Kurosawa Hideki
• Sound design: Breavehearts Co., Ltd.

Former Staff

• Illustrator of Togainu no Chi and Lamento BEYOND THE VOID: Kana Tatana (たたな かな) who now uses the name Chinatsu Kurahana after her departure from Nitro+Chiral in 2006.
• Illustrator of sweet pool: Onitsuka Seiji.
• Illustrator of DRAMAtical Murder: Honyalala.
• Scenario Writer: Gen Urobuchi. (mentored Fuchii and co-wrote sweet pool)

Music Performance

• Kanako Itou
• ZIZZ STUDIO
• GEORIDE
• Kazuhiro Watanabe
• Pale Green (Seiji Kimura)
• GOATBED
• VERTUEUX
• ARKTA
• Anna Evans Golden Folks
• THE ANDS
• KiRi

Notes

References

References

1. "Togainu no Chi". Nitro+chiral.
2. "Lamento: Beyond the Void". Nitro+chiral.
3. "Chiral Mori". Nitro+chiral.
4. "Sweet Pool". Nitro+chiral.
5. "Togainu no Chi True Blood". Nitro+chiral.
6. "“ニトロプラス キラル”より初のオリジナルアプリ配信開始".
7. (2010-06-05). "「CHiRAL MOBiLE」より、初のオリジナルアプリとなる「偽りのアルカネット」が6月7日(月)に配信スタート！".
8. "偽りのアルカネット ボイスドラマ – TEAM Entertainment".
9. (2010-11-17). "偽りのアルカネット - ちるちる".
10. (2010-12-06). "女性向けゲームブランド“ニトロプラス キラル”のキャリア公式コンテンツサイト『CHiRAL MOBiLE』にて、新作小説『World's end Nightmare』（ワールズ エンド ナイトメア）１２月１６日(木)より配信スタート！！".
11. "ニトロプラス キラルのキャリアオフィシャルモバイルサイト「CHiRAL MOBiLE(キラルモバイル)」".
12. "Togainu no Chi True Blood Portable". Nitro+chiral.
13. "Dramatical Murder". Nitro+chiral.
14. "Dramatical Murder re:connect". Nitro+chiral.
15. "Dramatical Murder re:code". Nitro+chiral.
16. "Togainu no Chi". Nitro+chiral.
17. "Togainu no Chi (Windows 10)". Nitro+chiral.
18. "Lamento: Beyond the Void (Windows 10)". Nitro+chiral.
19. "Sweet Pool (Windows 10)". Nitro+chiral.
20. "『THE CHiRAL NIGHT rhythm carnival(ザ・キラルナイト リズムカーニバル)』全国PCショップ＆通販ショップで好評発売中！".
21. "ブランド名およびブランドロゴ変更のお知らせ".
22. "「ニトロキラル(NITRO CHiRAL)」20周年展覧会 グッズ紹介".
23. G, A.. (2025-02-27). "「ニトロキラル」20周年記念展覧会が5月30日より東京・大阪・京都で順次開催！ チケット先行販売は3月1日より開始!!".
24. "名作BLゲーム『咎狗の血 True Blood』のSteam版が本日7月24日発売。30％オフとなるローンチ割引は8月6日まで".
25. "脳内クラッシュADV「DRAMAtical Murder re:code」のSwitch版が12月25日に配信！ニトロキラルからのクリスマスプレゼント".
26. (July 5, 2018). "JAST USA to Release togainu no chi, DRAMAtical Murder, Lamento -Beyond the Void- Boys-Love Games". [[Anime News Network]].
27. BLUE, JAST. (June 15, 2021). "JAST BLUE on Twitter".
28. (2025-12-18). "Togainu no Chi: True Blood NITRO ARCHIVE - Localization (English and Simplified Chinese) Update (Ver 1.01) - Steam News".