While waiting outside the detention center, Megumi notices the cursed womb's Innate Domain has disappeared. He believes that all he has to do is wait for Yuji, but Sukuna arrives to tell him that won't be happening. In an uncharacteristically good mood, Sukuna blames Yuji for overusing his power without a pact. He tells Megumi that Yuji can't switch back just yet and in order to prevent him from taking back control, Sukuna rips out Yuji's heart.
Sukuna effectively takes Yuji hostage now that switching back means death. In addition, Sukuna eats another one of his fingers to strengthen his control. He prepares to kill Megumi and Sukuna admits it's for no particular reason. Megumi sees the irony in the situation and believes he and Yuji's positions are switched since when they first met.