After her battle with Tzveta and Keheheh of the evil syndicate Amarariruku, Shy returns to Japan, where she encounters the enigmatic Ai Tennoji--a runaway from the Kansai region. Their time together is cut short when the Amarariruku launch a massive attack on Tokyo, throwing the heroes into a state of emergency. As the hero of Japan, can Shy stand up to the pressure of defending her home turf...?