Ep. 10: Narihisago investigates John Walker while Kiki's mind deteriorates and the Well world dissolves.

Two years pass in Kiki's id well, where Narihisago leads three serial killers to suicide and investigates John Walker. He and Momoki discover Nishio Shirakoma researching Kiki, though Narihisago does not recognize him. Kiki's health declines, leading her to theorize her body will disintegrate and warp reality. She begs Narihisago to kill her, but he refuses and stops visiting. Kiki disappears from the hospital months later. Narihisago attempts to kill the Perforator but encounters Hondomachi, causing a rift that dissolves Kiki's Well world. Sakaido's ten minutes in the Well end, prompting Anaido to initiate extraction. Narihisago gives Hondomachi a notebook of findings regarding John Walker. In Momoki's Well, Sakaido realizes Anaido tampered with evidence on Kaeru's body to divert the investigation. Anaido, also known as Fukuda, reveals immunity to amnesia from a drill injury, having remembered the real world. He discloses that the corpse in the quicksand is Narihisago's, confirming they are in Narihisago's Well. To protect his conscious from his unconscious, Narihisago's mind creates a storm. The episode concludes with Narihisago seeing an image of John Walker in the storm.

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