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" tournament. For Netero, this is the last mission: to protect the Association and the world from a threat driven by hatred and the thirst for revenge. And he's going to need all the help he can get in order to succeed.

Hunter x Hunter: The Last Mission

The year is 2027. In modern day Tokyo, people can freely enjoy use of the internet as a result of the widespread availability of the Ethernet across the world. In all aspects, this is considered a modern communication revolution.  The revolutionary cloud operating system, known as ESC-A, has spread wildly among Japan's youth along with the internet. The video game software that comes preinstalled on the OS is Phantasy Star Online 2.