The Ze-Balmary invasion of Earth had a simple goal – to enslave and brainwash humanity, which had shown itself to be a sufficiently advanced warlike race capable of functioning as an excellent army. A Balmar mole had been placed within the hierarchy of the Earth’s army to ensure that the Balmar goal would be accomplished and to seek out particularly promising "samples" of humanity to be converted into higher level soldiers. This "mole" turned out to be none other than SRX Team Commander Ingram Prisken. When the time came for Ingram to be recalled to the Balmar fleet to initiate the final phase of their plans, the commander took with him the Earth Federation R-Series prototype R-Gun. By exposing this machine to the Zyfluid crystal, the R-Gun Rivale was created. It is unclear as to whether t