Haru theorizes this is a prototype voice pack, possibly used to hide a hidden ending. Determined, she joins online forums, tracking down former developers. A clue leads to Kyoto’s abandoned Tsubomi Studios, once Japan’s hub for video game voices. Navigating decaying servers and decoding the binary with a custom tool, she finds fragmented voice samples and a list of retired voice actors, including Emiko Tachibana, a legendary seiyuu.