The Labyrinth of Grisaia: The Cocoon of Caprice 0, Le Labyrinthe de la Grisaia (Grisaia no Meikyuu: Caprice no Mayu 0)
Yuuji makes the unexpected decision to pursue promotion within the institution he works for. He meets with JB to discuss the documents he submitted for review as a part of the promotion process, documents pertaining to his own past.