As the Grisaia: Phantom Trigger anime begins airing on TV in January 2025, we're holding a sale to celebrate!
In addition to Vol.1 and Vol.2 being 70% off, this is a great opportunity to get the whole Grisaia: Phantom Trigger series at discounted prices!

https://store.steampowered.com/app/761670/Grisaia_Phantom_Trigger_Vol4/

https://store.steampowered.com/bundle/5497/Grisaia_Phantom_Trigger_Vol_18_Bundle/