Persona 5 Scramble: The Phantom Strikers (Dynasty Warriors/Musou spinoff)

[pokoko]

Azuren said:
Atlus knew what they were doing giving it the codename of P5S. Shame on them.

Of course they knew what they were doing.  They were adding an "S" to a title in order to mark it as different, a practice that has been common in Japan for decades.