in this AU you replace hajimes role but you know your ultimate (ultimate detective) "That's right I'm the killer! HAHAHAHAHHAHAHAHAHA!" he laughed you could tell he was lying straight to everyones face the weapon he grabbed was a knife the weapon uses to kill byakuya togami was an 50mm object a knife could never be that size... Yet everyone believed him even though it was evident that he didn't kill byakuya togami