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Native name
Kabushiki Gaisha Nitoropurasu
TypeKabushiki gaisha
IndustryComputer games
ProductsVisual novels
Total equity¥10 million (US$121,418)(2012)[1]
Number of employees
39 people (As of December, 2012)[1]

Nitroplus Co., Ltd., currently styled as NITRO PLUS, formerly stylized as nitro+, and formerly known as "OKStyle", is a Japanese visual novel video game developer that has developed a number of visual novels, including eroge. They also have been collaborating with developer Type-Moon to create the light novel series Fate/Zero. Their works usually have dark themes such as reanimation of the dead, rape and murder. They also have a branch of the company called Nitro+chiral, which focuses on Boys' Love visual novels. Writers aligned with the company, such as Gen Urobuchi, have also contributed to various manga, anime, novel, and television works.

Super Sonico is the mascot of Nitroplus' annual music festival event, "Nitro Super Sonico", since 2006. Nitroplus has held their music festival every year since 2000. Originally Ouka Satsurikuin was Nitroplus' original mascot before Super Sonico had appeared.

List of works[edit]

They also released a fighting game Nitro+ Royale -Heroines Duel- (ニトロ+ロワイヤル -ヒロインズデュエル-) at the 2007 Comiket.

5pb. x Nitro+[edit]

DMM x Nitro+[edit]

Nitro+ and DMM Corporation released a web browser game called Touken Ranbu in January 2015, which as of March 2015 is one of DMM's most popular games, second only to the largely popular Kantai Collection.

Nitro+Chiral branch works[edit]

Nitro+Chiral focused to boys-love games.

  • Togainu no Chi (February 25, 2005/May 29, 2008)
  • Lamento -Beyond the Void- (November 10, 2006)
  • Sweet Pool (December 19, 2008)
  • DRAMAtical Murder (March 23, 2012)
  • DRAMAtical Murder re:connect (April 26, 2013)
  • Slow Damage (February 25, 2021)

On January 25, 2008, they released a minigame disk titled CHiRALmori under this branch of which uses chibi versions of the characters from Togainu no Chi and Lamento.


  1. ^ a b c "Company info". Nitroplus. Retrieved 2012-12-11.

External links[edit]