Lasengle announced that Aoko Aozaki will be one of the new playable characters appearing in Fate/Grand Order as part of the Witch on the Holy Night collaboration event.
The new FGO collaboration event with Witch on the Holy Night was announced back in April 13, 2024 with the release of a teaser trailer.
The Witch on the Holy Night event is currently undergoing in the Japanese servers of the game and will end in May 17, 2024.
Fate/Grand Order is readily available on Andoid and iOS mobile devices.