An Eye of Jewel

I'm back for more stories and this is one of the stories that made me interested to write. (This is Countryhumans)

Hanging around with colleagues, America didn't believe what his colleagues story or so he called it. Keeping a small piece of a jewel made a good challenge to monsters who are the children of the great Monster King. But with the help of his colleague, or so he thought, finish his challenge until meeting the last child of the Monster King. Little did they know the jewel he holds something more important than defeating the monster....