Atsuko Bungo

After the battle with the Spiders, the search for Ging continues as Gon and Killua decided to once again attempt to purchase the rare game "Greed Island". However, Gon came up with a better plan, which was to volunteer to complete the game for the billionaire who owned it. But some training must be done, as Gon and Killua's abilities are still at a developing stage and "Greed Island" is no simple game for anyone to play with. It is the infamous game that could easily lead to one's death. (myanimelist.net)

Gon's and Killua's journey through Greed Island continues. Searching for his father, Gon wanders round Grees Island until meeting Bisuke. Bisuke serves as their master and trains Killua and Gon and enhance their abilities. The three encouter many troubles, as well as clues to Ging's whereabouts, and strived to emerge successful. (animenewsnetwork.com)