As Polka ascends the stairs to the abandoned hospital's rooftop, he hears voices crying out in pain. He soon learns that these voices belong to the spirits of long-deceased patients, bound to this world by their lingering regrets. More specifically, the basement seems to be the primary source of their discomfort. With no way of getting any further answers from the spirits, one question remains: what lurks below...?

It's a showdown for the ages as the legendary hero takes on the corpse god necromancer, but when the dust settles, something isn't quite right... In the final moments of their epic confrontation, the corpse god's final gambit shot was wholly unexpected -- reincarnation magic! Across space and time, a boy named Polka Shinoyama awakens feeling...not quite himself...... Who could've expected that the climactic battle between good and evil would turn out like this??

Far from the peaceful life he'd imagined, the Corpse God-now inhabiting the body of Polka Shinomiya-has fallen in with the very hit men who were hired to kill his new vessel. His association with the darker side of Shibuya brings him face-to-face with Lemmings, whose masked facade cannot hide his fearsome, inhuman nature from the Corpse God's Evil Eye. With all the deadly powers abounding, Shinjuku is in a frenzy...and the true death play has begun.

Polka’s “low profile”—such as it is—takes a hit when his explosive battle with Solitaire and Lemmings goes viral and attracts the attention of a young gossip reporter. The group is compromised further when two new arrivals, who have connections to—and beef with—Xiaoyu and Takumi, start stirring up trouble. The shadows of the past have converged in Shibuya, and the Corpse God is right at the center of it all!

The family of Polka Shinoyama can't help noticing he's not quite himself, but discovering the young heir has been taken over by a necromancer from another world...?! Rozan Shinoyama isn't sure what to make of his son's transformation, but there's no denying this usurper is responsible for saving his twin grandchildren. The fire that would have claimed their lives has also caught the attention of the Phantom Solitaire, one of the police's slipperiest troublemakers. Known for his clever tricks, Solitaire craves a taste of real magic, which puts him hot on the trail of one unsuspecting Corpse God!

In a single warehouse in Shinjuku, members of the Shinjuku Mediators, the Agakura family, the Shinoyama clan, and the former leader of Sons of the Styx have converged over Takumi’s kidnapping. Misaki’s vampiric abilities saved her in their last bout, but she’ll need Xiaoyu to back her up if they’re going to get Takumi—and themselves—out in one piece!

Something's got the usually quiet Sakura all fidgety! And for once, it's not Tohru! Will sparks fly when Sakura, unexpectedly worked up by a shounen manga, of all things, runs into the equally quiet Yanagi, himself a shounen manga fanboy?!

THE FUTURE RESTS IN THEIR HANDS...Racked with grief for his sister, Shintaro is nearly overcome by his desire for vengeance. His pain resonates with Ene, who has seen more than her share of hardship and suffering...and been swallowed by it. Whatever the cost, Ene is resolved not to repeat the mistakes of her past or allow her dearest friend to follow that road. As the losses compound, how will Shintaro cope with the very real threat slithering just one step behind him...?

The battle between Polka and Civil threatens to tear Shinjuku apart. With the help of old friends and new allies from both sides of the sky, the “Corpse God” launches one final blow!

As the building begins to collapse around them, Ray and Zack face their final trial together. The stage is set for their great escape, and with it, the time to fulfill the vow they made to each other has come. Still, one last obstacle lies in their path...