It sounds like you’re describing a narrative or game scenario involving an , a Prisoner Acme , a Video , and possibly a character named Kana Yume (or Yume as a separate figure).

If you’re looking for a to include in such a plot or game mechanic, here’s one idea: Feature Name: “Echoes of the Interrogation Room”

Investigator Kana reviews a video of Prisoner Acme’s behavior in their cell, but the footage subtly changes each time it’s watched — different facial expressions, shifted objects, or whispered phrases only audible on second viewing. Kana Yume (perhaps a partner or a hallucinated alter-ego) appears only in the video’s reflection or in freeze-frames, offering clues only the investigator can see.