The Labyrinth of Grisaia is a visual novel developed and published by Front Wing. The game was released on PC on Febuary 24, 2012 with a PlayStation Portable and PlayStation Vita scheduled for release on October 30, 2014. One episode of spin-off title Idol Mahou Shoujo Chiruchiru ☆ Michiru will be included with the Playstation Vita version of Grisaia no Meikyuu.
On October 10, 2014 Sekai Project announced a Kickstarter fundraising campaign to bring the entire "Grisaia Triliogy" to the West. The Kickstarter launched on December 16, 2014 with a goal of $160,000 and ended on January 31, 2015 with a total of $475,255 raised. The "all-ages" versions of the Grisaia trilogy will be brought to Steam by Sekai Project and DenpaSoft, an imprint of Sekai, will be selling the 18+ release of the games.
The game is set a year after Kazami Yuuji's arrival at Mihama Academy. The main chunk of the game consist of "The Cocoon of Caprice" chapter which features Kazami Yuuji recalling the story of his troubled upbringing and how he was saved by his now deceased teacher Kusakabe Asako. The game also features a short s short after stories for the main heroines.