The English-language version of mobile RPG Fate/Grand Order is currently having a collaboration with Witch on the Holy Night, its fellow Type-Moon title that has an upcoming anime film.
The After Witch on the Holy Night / Murder at the Kumano Hot Springs event, which has a main quest with a story penned by Fate/stay night and Witch on the Holy Night writer Kinoko Nasu, is running until April 19 PDT. Playing through the quest will net players the SR Servant Sizuki Soujyuro, while the SSR Aozaki Aoko and Kuonji Alice are Pickup Summons who can be obtained within the event’s duration.
Coinciding with the FGO event, the remaster of the Witch on the Holy Night visual novel has been given a 40% discount on Steam, PlayStation 4, and Nintendo Switch.
Source: Press release