In the Grisaia no Meikyuu visual novel, a series of sequels focused on each of the game's heroines and a prequel story for the protagonist are intertwined with numerous short tales. Yuuji Kazami, having settled into Mihama Academy for a year, unexpectedly decides to seek advancement in CIRS. With guidance from JB, they delve into Yuuji's past to evaluate his suitability for the role. Simultaneously, the girls of Mihama stumble upon torn documents in Yuuji's possession, leading them to uncover the poignant narrative that has shaped his identity. As buried secrets resurface, Yuuji confronts a troubling past that threatens to engulf him once more, beckoning him into the shadows he thought he had escaped.