The Fruit of Grisaia

The Fruit of Grisaia (グリザイアの果実, Gurizaia no Kajitsu) is a Japanese visual novel, the first in a series of visual novels by Front Wing. It was released in February 2011 for Windows, and it was later ported to the PlayStation Portable and PlayStation Vita. Two sequel visual novels were also produced for Windows: The Labyrinth of Grisaia in February 2012 and The Eden of Grisaia in May 2013. The three games have been licensed in English and published worldwide by Sekai Project in 2015. There have been two manga adaptations published by Akita Shoten and Mag Garden. A 13-episode anime television series animated by 8-Bit and produced by NBCUniversal aired in Japan between October and December 2014. Sequentially, anime adaptations of the two sequel games aired between April and June 2015.

Plot
Yūji Kazami transfers to Mihama Academy, a school with only five female students and prison-like features. Every student in the school has their own "circumstances" for being there, but Yūji is not required to do anything about their situation as he asked for a normal student life