Jujutsu Kaisen Gn Vol 16

After he consumes Mahito's soul, Geto reveals part of his nefarious plan to Itadori and gang. In that moment, Choso recognizes the evil sorcerer possessing Geto's body and is filled with rage! Who is this evil sorcerer, and what relation do they have to Choso? Meanwhile, now that Gojo is imprisoned and the foundations of jujutsu society are crumbling, what will happen to the world as it devolves into destruction and chaos?!