Young Kai has been passionately idolizing Ginta ever since his heroic battle in the War Games of six years ago. Since then, ARMs have become a common thing, Guardians especially! Kai himself doesn't have one though, and dreams big of being able to get an ARM like Ginta's! When his caretaker, the old ARM-smith that took him in after his parents' deaths, sends him out on an errand, he is attacked by a bandit from "chess"! In his escape attempt, he finds more than he bargained for when he comes across Babbo! But, now with Babbo's awakening, the fake ARMs are going out of control! Is it Kai's turn to save MARHeaven following in his hero's footsteps?

One rainy night, Wada, a young teenage boy, standing near the edge of a bridge over a raging river - is on a depressing brink towards committing suicide. Suddenly, a beautiful blonde foreign girl, named Lisa, mysteriously appears. Who is this cheerful girl? And why is she dressed as a cheerleader? Wada wasn't interested and tries to ignore her, but Lisa kicks him off the bridge, and says "try flying." And to his surprise, he does. This power, where did it come from? It seems that there is a war between the gods and demons. And by fate, the result of this war is tied to Wada. Upon learning this, Wada does not look very pleased. Was this his purpose - his destiny? What will he choose? Does he even have a choice? Afterall, Lisa, the goddess cheering him on, is surprisingly his classmate.

Jack is a boring middle-aged deliveryman leading an ordinary and uneventful life, until one day, he's suddenly called to the royal capital. Having no idea what he's done or what's in store for him, Jack heads to the capital, but waiting for him there was?!