Hunter x Faires x Chimera Ant

After finishing Greed Island Gon and Killua are sent to the Kindgom of Fiore. There they discover that Ging went there and tag along with a guild called Fairy Tail. Later Gon and his new friends become primary characters in a war involving a highly dangerous group of creatures called Chimera Ants and now is up to the mages and Hunter to stop them. Chimera Ant arc with Fairy Tail.