"Who exactly are you?"
Jotaro Kujo's tone was grim, as though he might activate Time Stop at any moment and blow Lin Qing's head apart.
But Lin Qing knew that as long as he remained inside Jolyne Kujo's body, that would never happen.
Lin Qing thought for a moment, then took out another steel ball and made it spin in midair above his palm as he asked Jotaro:
"Do you remember this?"
During Killer Queen's trial mission, Lin Qing had joined the protagonists as Hayato Kawajiri and killed Yoshikage Kira alongside Jotaro Kujo, Josuke Higashikata, and the others.
The steel ball Lin Qing had thrown was what had killed Yoshikage Kira back then.
Lin Qing had always been curious whether the same characters in different trial missions were truly the same people, or whether they were parallel-world counterparts like the ones D4C traveled between.
"This..."
Jotaro Kujo stared at the steel ball and fell into thought.
After a long while, most of the wariness in his eyes quietly faded. Pressing down the brim of his hat, he said:
"I do seem to have seen this ability of yours before."
"But I can't tell whether it was a dream from the past, a fantasy I had while spacing out, or something I read in a book."
"I just feel... like I've seen it before."
"Déjà vu," Emporio blurted out.
Déjà vu, also known as the hippocampal effect, referred to the physiological phenomenon in which someone felt a sense of familiarity toward a scene they had never experienced.
At one time or another, everyone had probably told a friend:
"Ah—I experienced something today that was exactly like a dream I had years ago. Do I have precognition?"
That was the hippocampal effect.
When environmental features partially matched fragments of memory, the neural