Following the events of Revenge of Cronos, Rom and Leina crossed a dimensional barrier. Their physical forms shifted from robotic to human, and they were separated with their memories blurred. Leina Stol is now reincarnated as Leina Haruka, a Japanese schoolgirl. As the narrative unfolds, she reunites with Rod Drill, Blue Jet, Triple Jim, and Rom, all of whom have also become human.