Yuusuke Sato is a cynical, know-it-all teenager. He believes the world is a cruel game that he is but a pawn in and is powerless to do anything about it. He accepts his lot as a worker bee and resigns himself to a normal, dull, unfulfilling life. But there is one thing that keeps Yuusuke engaged...

Explorer. This word was once ringing in the ears of every man, woman and child across the globe. Explorers would become rich and famous as civilisation spread across the lands and seas. Everywhere, except one fabled island; the End of the World. With the number of unexplored lands reaching almost...