Game developer Palette has revealed that it will release 9-nine for Nintendo Switch and PlayStation 4 in spring 2022. The game is divided into four "episodes." All episodes share the same world and setting, but each focuses on a different heroine.
Synopsis 9-nine:
9-nine- is a tale of the city of Shiromitsugawa, home to mysterious Artifacts and the superpowers they grant their Users. A tale of growing trust and romance between the protagonist and heroine, it's also a murder mystery as they hunt down the culprit behind a series of supernatural murders.
Palette released the four episodes separately between 2017-2020 for PC, and then released all episodes plus an extra episode in a bundle on April 23rd. The PS4 and Switch versions will therefore be based on this bundle .
Finally, the game is only available on PC at the time of this publication.
Source: ANN