Persona 5: The Phantom X is an upcoming P5 mobile spinoff

As fans still eagerly await a proper new Persona game, a new mobile game spinoff titled Persona 5: The Phantom X was announced recently. 

Persona 5 - Wikipedia

Persona 5: The Phantom X announced for iOS, Android - Gematsu

Persona 5: The Phantom X Features Enhanced Visual Quality With Pixelworks' SDK - GamerBraves

Persona 5: The Phantom X - What We Know So Far About The Mobile Game Spinoff

Persona surprises us with a Mobile spin-off First Impressions - Persona 5: The Phantom X - Persona 5: The Phantom X - TapTap

Persona 5: The Phantom X Looks Too Good to Be Confined to Mobile in New Trailer

Persona 5: The Phantom X Reveals Supporting Characters and Persona II, Producer Developer Comment - Persona Central

Stream Lust [Persona 5: The Phantom X Soundtrack] by crack pipe

Persona 5: The Phantom X' Mobile Game Info

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Persona 5

Persona 5: The Phantom X announced for iOS, Android - Gematsu

One of Persona 5: The Phantom X's New Characters Is Becoming Very Popular