Synopsis: Brigadoon

Picture waking up one day and seeing an unidentified mechanical presence engulfing the sky. This sky eventually opens up and unleashes a Monomakia, a living weapon programmed to eliminate you. That's exactly what happens to 13-year-old orphan Marin Asagi, residing in an alternate version of Tokyo during the 1970s. Young Marin's sole hope for survival is Melan Blue, the Gun-Swordsman bound to safeguard her. Armed with weaponized limbs, the ability to soar, and retractable armor, Melan is indeed a formidable protector. Who's behind the Monamakia's arrival? What's their motive in wanting Marin dead? And who gave the order for Melan to offer protection? Uncovering the secrets of Brigadoon involves crossing two worlds with Melan by her side.