Bandai Namco revealed plans for a collaboration between Persona 5 Royal and a pair of Sword Art Online mobile games, Sword Art Online: Memory Defrag and Sword Art Online: Integral Factor.
Both SAO games are currently available for iOS and Android, and Persona 5 Royal is available on PS4 in Japan.
There’s currently no further info on the collaboration, but an official website is live with the above key art featuring Kirito and Joker together.