According to Gamers magazine, Alchemist's new game "Koi Suru Otome to Shugo no Tate -The shield of AIGIS-" will be a TV anime series. The game was originally released as an R-18 PC game in 2005 and will also be adapted into a light novel and a manga series to be published on Super Dash Bunko and Comp Ace magazine, respectively.
The voice actress of the main character (PS2 version) Kisaragi Shuuji is Kugimiya Rie. The cast of the anime is unknown.
Kisaragi Shuuji is a young guard of a private security company AIGIS. In recognition of his achievements, the company gives him a special mission: sneak into a woman's high school in disguise and escort the client.