Rudy-Ulrich Gillen

As a skilled criminologist and former student of Dr. Reichwein, this investigator plays a pivotal role in the hunt for Johan. Once a classmate of Tenma, he risked his own safety to assist in the investigation, even helping Nina recover suppressed memories. By gathering intelligence from various criminals, he provided crucial leads, yet he remains deeply unsettled by the true nature of Johan’s unpredictable and terrifying psychological manipulations.