Echoes of the Past: I Collect My Own Corpse

A rainstorm descends, time rewinds, and only the truth can save your life! Gu Yuan wields the 'Book of Echoes of the Past,' forcibly dragging everyone into a mandatory scripted murder mystery! [Ding! Death scene detected, Logic Sequence 9 'Evidence Seeker' activated!] [Current Logic Value: 100, Skill Acquired: Ether Perception!] 'The murderer is among you. Wrong accusation, everyone dies.' Rich man: 'Why should I listen to you?' (Next second, silenced) [Warning: Violence prohibited within the detective domain. Violators will have 10 years of life deducted!] Evidence surfaces one by one, logical closure achieved! [Ding! Accusation successful! The true murderer has been dissolved by the rain. Reward: Logic Value +5000!] Wait, why does this corpse look exactly like me? Gu Yuan: 'Did I kill myself?' (Eyes shaking)