In this place of learning, protected by high walls from the outside world, there arrived a single young man who'd lost his purpose in life. He'd lost sight of what he wanted to protect. The Eden of Grisaia - The latest installment in the Grisaia series: Grisaia Chronos RebellionIn Grisaia Chronos Rebellion, characters from the original Grisaia Trilogy and Grisaia Phantom Trigger join their new friends in an all-out battle against a deadly terrorist organization.https://store.steampowered.com/app/2348360/Grisaia_Chronos.