Detective? A colleague… However, the fact that he's able to assist the police in dealing with such a serious case shows that he truly is a well-known detective, at least within Sivellaus Yard… Eh, isn't the serial killer involved in devil worship supposed to be handed over to the Nighthawks, Mandated Punishers, or the Machinery Hivemind? All the police department needs to do is send a few assistants, so why would they need to seek the help of a private detective?
Yes, the eleven serial murders must've caused a sensation. Sivellaus Yard is under a lot of pressure, and they aren't willing to just wait in misery?
Many thoughts flashed through Klein's mind, but on the surface, he revealed a smile.
"Alright."
He boarded Isengard Stanton's rented carriage and saw a young man with brown hair inside.
"This is my assistant," Isengard, who had a thin and angular face, introduced. "Please, have a seat."