Naiz Gruen (ナイズ・グリューエン) is a supporting character in Arifureta - From Commonplace to World's Strongest: The Miraculous Meeting and the Phantasmagorical Adventure, voiced in Japanese by Satoshi Hino. The series' music includes "Arifureta Phantom Adventure and Miraculous Encounter Official Trailer 2 1080p JP Anime", "Arifureta: From Commonplace to World's Strongest OVA - Official Teaser Trailer 3".
