
Production I.G, Inc. (Japanese: 株式会社プロダクション・アイジー | Hepburn: Kabushiki-gaisha Purodakushon Ai Jī) is a Japanese animation studio and production enterprise. Headquartered in Musashino, Tokyo, Production I.G was founded on December 15, 1987, by producer Mitsuhisa Ishikawa and character designer Takayuki Goto as "I.G Tatsunoko", a branch studio of the animation giant Tatsunoko Production, changing its name to the current Production I.G in September 1993. The letters I and G derive from the names of the company founders. Since 2007, Production I.G is a subsidiary of the IG Port holding company. Ishikawa was president and CEO of the studio until August 2022 when that position was given to George Wada with Ishikawa remaining as chairman of the company. Since its inception, Production I.G has been involved in the creation of theatrical films such as Patlabor 2, Ghost in the Shell (which would spawn a media franchise), Jin-Roh: The Wolf Brigade, animated sequences in Kill Bill Vol. 1, among other works. It has also worked on anime television series such as Blood+, Guilty Crown, Kuroko's Basketball, Psycho-Pass, and Haikyu!! among others. The studio has been involved in the production of numerous original video animations (OVAs) and original net animations (ONAs). It is also known in the video game industry for developing intros, cut-scenes, and artwork for games such as Bandai Namco's Tales series.

Saki Asamiya é uma delinquente (sukeban) que está cumprindo pena em uma casa de detenção barra pesada. Conhecida por não levar desaforo para casa e por tentar fugir várias vezes, é escolhida para se tornar uma agente (deka) disfarçada da polícia. A moça aceita e retorna à sua antiga escola para investigar três irmãs capazes dos piores crimes para conseguir atingir seus interesses: poder, dinheiro e fama. Trata-se de uma nova versão em anime e que pode ser mais fiel ao mangá em coisas que não foram adaptadas também.
