
The 190th chapter of the Aging Devil arc in volume 21. The victim hauls the Aging Devil into its own realm, Yoshida and Denji corner it into returning everyone home, civilians overpower the pseudo-Chainsaw Men, and the cast reunites, accidentally leaving Tadashi Hasegawa behind.
Wrapped in a dark void, the Aging Devil wonders whether the Chainsaw Devil consumed them, then spots Pochita standing ahead. A voice from his mouth declares that they, along with two others called George and Yaguchi, had remained faithful to the Aging Devil, only to feel betrayed once Denji was thrown into their world. Before Aging can respond, their victim lunges from Denji's mouth, grabs them, and hauls them into their own realm.
The exchange, it emerges, happened inside the Octopus Devil's mouth, which then vanishes as a sacrificed Public Safety agent stares at Fumiko in revulsion. Back in Aging's realm, Yoshida negotiates, noting that because they are not yet dead, Aging cannot wield its powers there either, and proposes a contract to send everyone home. When Aging asks what refusal brings, Denji warns that since all exits run through his mouth, Aging stays trapped with him forever.
In Japan, civilians turn the tide against the pseudo-Chainsaw Men, swarming and beating them. At a cafe, Yoshida, Fumiko, Fami, Asa, and Denji are all seen ordering food and drinks when another pseudo-Chainsaw Man charges in, only to be cut down by more civilians, and Yoshida voices his joy at resuming normal life. The freed victim now works construction; meanwhile, Tadashi Hasegawa was also dragged into Aging's realm, and the others forgot to bring him back out.

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In Chapter 190 of the Aging Devil arc, the victim hauls the Aging Devil into its own realm, Yoshida and Denji corner it into sending everyone home, and civilians overpower the pseudo-Chainsaw Men. The cast reunites afterward.
In Chapter 190, Yoshida negotiates a contract by noting that, since they are not yet dead, the Aging Devil cannot use its powers in its own realm. Denji adds that because all exits run through his mouth, the Aging Devil would otherwise stay trapped with him forever.
Chapter 190 ends with the cast reuniting but forgetting to bring Tadashi Hasegawa back out of the Aging Devil's realm.
Chapter 190 reveals the exchange happened inside the Octopus Devil's mouth, which then vanishes as a sacrificed Public Safety agent stares at Fumiko in revulsion.
By the close of Chapter 190, the freed victim now works construction, while Yoshida, Fumiko, Fami, Asa, and Denji are seen at a cafe ordering food as civilians cut down another pseudo-Chainsaw Man.
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