Isaac Netero is the chairman of the Hunter Association. Decades ago he sealed away Jed, a Hunter who had mastered the use of On, the dark "shadow" of Nen. Now On users have reappeared at the Heaven's Arena "Battle Olympia … Megumi Han, Ichiro Nagai, Mariya Ise, Miyuki Sawashiro, Keiji Fujiwara, Ichitarou Ai, Kotono Mitsuishi Added on Amazon Prime 2023-07-27. Youtube Trailer