Super Sony (supersonico, す 〴 に こ) is the fictional spokesperson of nitro +, and the role design is Jin Lu's survival. Mainly taking the nitro + related music media as the activity category, the role has been given the status not only for the music related to the game, but also for the original music belonging to "oneself" since its birth. The girl who is determined to become a professional musician is not only the cover idol, but also the guitarist and tonic of "first cosmic speed" of girls band. It is called "Niko" in the band.