Episode P4 focuses on Yu Narukami and the Investigation Team as they are once again drawn into the P-1 Climax. Their journey begins with the sudden appearance of the Midnight Channel and the return of the mysterious fighting tournament. They must uncover the true intentions behind the tournament and rescue their friends who have been captured. This arc provides crucial insights into the new antagonist, Sho Minazuki, and his connection to the events unfolding.
