Шірануй Фрілл

Frill Shiranui is a student in Ruby Hoshino's class. She is a multi-talented performer who can sing, dance, and act. At first, Ruby is in awe of her, yet they eventually become friends.

She is the younger sister of Koromo Shiranui from Kaguya-sama wa Kokurasetai: Tensaitachi no Renai Zunousen.