It is May 1969 in Japan. As a new era of prosperity begins for this small country, the world at large has seen a rise in unnatural disasters. A secret organization, known as A.E.G.I.S. (Alien Exterminating Global Intercept System), has traced their roots to entities known as “Invaders”. In an effort to prevent further devastation, the Far Eastern branch is searching for individuals who possess the power to open “gates”; also known as “Gate Keepers”...