With the power of the devil inside him, Denji has become Chainsaw Man. In a time of despair, he seeks help from Makima, who is not what she appears to be.

Denji's a poor young man who'll do anything for money, even hunting down Devils with his pet devil-dog Pochita. But his life gets turned upside down when he's betrayed by someone he trusts. Now with the power of a Devil inside him, Denji's become a whole new man--Chainsaw Man... As Quanxi and the members of the Special Division battle it out over Denji, the mysterious Santa Claus makes his move. But things are not as they appear, and nobody will be...

Out of nowhere, Nene finds herself being dragged inside a mirror, where she meets the spirit of a young boy calling himself Mitsuba. As the two attempte to escape together, they soon find that danger worse than mere imprisonment lurks within the boundary of School Mystery No. 3, the Hell of Mirrors. Nene may have finally gotten herself into a mess that even Hanako-kun can't save her from--but will someone else come to her rescue?

On a day like any other, Nene goes to school only to find Hanako-kun acting like one of her normal classmates...? Weirder still, even though he's supposed to be a ghost, nobody seems to find the presence of this so-called Amane-kun strange at all. Nene is determined to get to the bottom of this, and her search leads her to a mysterious tower...

"Denji’s gotten too famous! After a news program broadcasts Chainsaw Man’s heroics, the whole world now wants in on the action! Can Denji’s new protection detail keep him safe from all the talented assassins that have assembled in Japan to take him down?!"--Back cover.