The casts of PERSONA 3 and PERSONA 4 collide! The P-1 Grand Prix reaches its climax! Though it hurt them to fight against their friends, both physically and emotionally, the Investigation Team slowly gets closer to the truth. What shocking secrets are hidden in the stolen Labrys' past?! And how will the P-1 Grand Prix end?!

The casts of PERSONA 3 and PERSONA 4 collide! A dormant anti-shadow suppression weapon named Labrys has been stolen! Mitsuru Kirijo and Aigis begin investigating its whereabouts. Meanwhile Yu Narukami returns to Inaba to reunite with his friends, the Investigation Team. What he finds waiting for him there is a strange fighting tournament held inside the TV World!

The casts of PERSONA 3 and PERSONA 4 collide! Someone has stolen the anti-shadow suppression weapon named Labrys, and the trail leads into the TV World. There, all the persona users on the chase are forced to participate in the strange "P-1 Grand Prix" tournament. It's Aigis VS Kanji, and Yosuke VS Chie! Who will walk away in the end?!