Second mobile/browser spinoff entry in the Grisaia franchise after Grisaia Chronos Rebellion, and sequel to Grisaia no Rakuen. Set in a sci-fi/fantasy themed VRMMO similar to Sword Art Online, with gacha and RPG mechanics and gameplay. Launched on April 4, 2022, with service ending on March 23, 2023. Had both a non-eroge and eroge version (Grisaia Battlefield Barcarolle X), with H-scenes in the form of animated and non-animated collectible CGs.
