Shiho Hoshino, alias Noshiho, is a member of the idol unit No Princess. This unit operates within a competitive multimedia project where idol groups battle for dominance across metrics like music and merchandise sales, concert audiences, and other benchmarks following the dissolution of Fool's End. Characterized as a dance and vocal unit, No Princess is guided by a music producer reincarnated from a Sengoku-period historical general, fueling a battle royale dynamic among the idols. The group engages in music releases and performances.

Shiho exhibits a flamboyant personality and commanding leadership capable of shifting surrounding atmospheres. Though widely acknowledged for her innate idol essence, she harbors a complex regarding unit member Ami Akise. Her appearance features long red hair, typically styled in a high ponytail, and red eyes.