Uncanny Game: Everyone's a Villain, but Who's the Detective?

[No System + Not Mindless + Mystery Solving + Supernatural + Ghost Hunting + One Female Lead] An invitation, a banquet and a kidnapping, and a prison known as the [Death Club]. Within it, a deadly game called [Atonement] is underway, with detectives known as [Sinners] as its players! Unsolved cases, eerie phenomena, ghosts, demons: everything you see is real! The game is about to begin. We wish all detectives an enjoyable game! And, of course, we hope you all survive! Key point: The story focuses on solving mysteries, with supernatural elements as a secondary feature. Read with caution if that's not your thing. Thanks for your support!