Jujutsu Kaisen, Vol. 23, Book by Gege Akutami, Official Publisher Page

Jujutsu Kaisen, Vol. 23 by Gege Akutami - To gain the power he needs to save his friend from a cursed spirit, Yuji Itadori swallows a piece of a demon, only
To gain the power he needs to save his friend from a cursed spirit, Yuji Itadori swallows a piece of a demon, only to find himself caught in the midst of a horrific war of the supernatural!In a world where cursed spirits feed on unsuspecting humans, fragments of the legendary and feared demon Ryomen Sukuna have been lost and scattered about. Should any demon consume Sukuna’s body parts, the power they gain could destroy the world as we know it. Fortunately, there exists a mysterious school of jujutsu sorcerers who exist to protect the precarious existence of the living from the supernatural!Sukuna reveals that he is the Disgraced One whom the Angel wants to kill. While Itadori grapples with that realization, Kenjaku sets in motion plans involving various nations, throwing the culling game into further confusion! To make matters worse, Kenjaku then shows up at the Tombs of the Star Corridor where Master Tengen exists in seclusion!

Volume 12, Jujutsu Kaisen Wiki

Jujutsu Kaisen, Vol. 1 - By Gege Akutami (paperback) : Target

Jujutsu Kaisen season 3: release date speculation, trailer, story, and cast

Remember the collaboration with Jujutsu Kaisen's Gege Akutami in Volume 23? Now we come full circle with Horikoshi's contribution in JJK volume 5! : r/BokuNoHeroAcademia