The story follows Ichidaiji Hiiro, a merchant's daughter, as she takes the place of Scarlet Tesla — the princess of the Republic of Manchuria and granddaughter of Nikola Tesla, the founder of the Super Electric High School (超電磁学園) and inventor of the Empire, the main robot piloted by Hiiro and Scarlet— and fights against Thomas Edison and his army of 6 automatons bent on enforcing the Japanese Empire's will onto the Republic of Manchuria.
In 2002 a complete collection of both the original series and Dragon Receiver was published as one volume.
Details about an officer working with the Security Police (SP), a group of highly trained police officers with the mandate of protecting VIPs in Japanese territory from criminals, assassins and terrorists.
A never-before-seen scandal involving five broken-off engagements—triggered by a cursed bracelet that casts a charm spell. The young lady responsible was apprehended, the bracelet was confiscated by the kingdom, and the incident seemed to be resolved… or so it appeared. Count’s daughter Elise, wounded by her fiancé’s betrayal—however brief it may have been—has been avoiding him ever since, unable to shake her mistrust. One day, Nadia, the duke’s daughter who was also a victim of the same incident and whom Elise has admired for a long time, suddenly comes to visit her. And on top of that, the second prince Asher shows up out of nowhere—?! [Original Web Serialization](https://www.cmoa.jp/title/279593/) [Original Web Novel](https://ncode.syosetu.com/n6294fx/)

