Soniko refers to Super Sonico.

Super Sonico is the fictional spokesperson of Nitro. The character design is Jinlu Sentai. She mainly focuses on Nitro-related music media. Since her birth, this character has been given status and is not only engaged in game-related music. , and also has "own" original music.

The setting is a girl who aspires to become a professional musician. In addition to being a cover idol, she is also the guitarist and vocalist of GirlsBand's "First Speed ??of the Universe". She is a real "angel face, devil" Body", has his own virtual rock band "First Space Speed", with the character Fuuri Mateba as the drummer and Suzu Fujimi as the bassist.