Gantz Creator Hiroya Oku Plans to Retire After Finishing Kanrekihime Manga Posted on August 11, 2026 By admin No Comments on Gantz Creator Hiroya Oku Plans to Retire After Finishing Kanrekihime Manga Oku: “To be honest, I just don’t have the energy to keep drawing anymore.” Source: https://www.animenewsnetwork.com/news/2026-08-11/gantz-creator-hiroya-oku-plans-to-retire-after-finishing-kanrekihime-manga/.240481 People