hoshino ruby

Deuteragonist and one of the titular characters of Oshi no Ko. She is the daughter of Hoshino Ai and the twin sister of Hoshino Aquamarine. Founder of the new B-Komachi.

She has pink eyes with a star-shaped pupil in her left eye and long blonde hair stylized with a one side up, hair between eyes, swept bangs, and sidelocks.

She is voiced by Igoma Yurie.