How Am I Solving Cases with My Childhood Friend in This Strange World?

“Liu Xingxing, how do you know what happened back then?” the criminal asked her reverently. “Liu Xingxing, how are we supposed to solve this case?” the detective demanded. “Liu Xingxing, if you say he's the killer, then who else can save us?” Everyone asked her, their feelings a jumble of bitterness and sweetness. Trapped in an endless world of ghosts and monsters, Jiang Weilai watched the childhood friend who was slowly going off the rails on the television. He regretted drawing her into all this, even as he silently kept an eye on the dangerous people appearing around her.