Grisaia Phantom Trigger Vol.8, the last chapter of the series, is now available!
https://store.steampowered.com/app/1869980/Grisaia_Phantom_Trigger_Vol8/
Source: Steam Community (opens in a new tab)
Build and release context
Recorded Steam release date:
Within one calendar day of this post (UTC). The listed date does not establish an exact launch time.