Saint Seiya Creator Masami Kurumada Sues Over ¥4.6 Billion Missing From His Companies. Who Manages a Manga IP That Outgrew Its Author?

Masami Kurumada, the creator of Saint Seiya, and three of his companies filed suit at the Tokyo District Court on September 2, 2026, alleging that about 4.686 billion yen, roughly 30 million dollars, flowed out to a former manager and associates over six years. According to the plaintiffs, the losses were found not by an internal check but by a tax inquiry. This article explains how manga rights are normally routed through publishers in Japan, why the author-owned model gave one person both the money and the information, and adds Japanese Reactions from X. No court has ruled on any of the allegations.