Rei Zero

Rei Zero is an anime original prequel to Special Agent Rei & Fuko (Both Visual Novel and OVA).

It is an original story by lilith and produced by Pixy.

Summary
Tokyo fell into ruins following the consecutive great earthquakes of 2014. As a result, the new city center is built in the location of the former Nishitokyo. Meanwhile, Shinjuku and the submerged Minato wards devolved into slum areas. Further, due to the Immigration Laws of 2040, these slums saw an influx of refugees, mafioso, and terrorists, and is now the leading crime capital of the world.

The year is now 2049, and this is the stage in which two women embark on an operation to arrest a dangerous drug dealer.

Story
Kirisawa Rei hunts Joaquin Knight a dangerous drug dealer, after his short time capture his collegues are not only able to free him but also capture both Rei and her boss Munei Shoko.

Forced to follow Joaquin's orders, Rei is having sex with his man for Shoko's life as he orders to make his men cum for every hit he received while captured by the police.

Tricked with a last additional hit, she is unable to save Shoko, now broken she keeps getting tortured with videos of her reaching dark websites. However, Joaquin Knight group one day gets attacked by 12 Angels both Shien and Koryuu. Killing Joaquin, they spare the agent leaving her to be rescued.

Making a quick recovery Rei is last seen getting her new partner Fuuko.

Japanese cast

 * Dodo, Asako as Kirisawa Rei
 * Fujiwara, Mioko as Munei Shoko
 * Rikimaru, Noriko as Izumi Fuuko
 * Asai, Kiyomi as Koryuu
 * Murozono, Takehiro Shien (Called Choushien)
 * Joaquin Knight
 * Gotou Shuuji

Trivia

 * The OVA came out after the Special Agent Rei & Fuko (OVA).
 * A tiny mistake can be seen, as people check a website with Rei's videos. Posts of the videos are made in the year 2011/10/4 even though it plays around the year ~2050.