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 star-shaped pupils and long blonde hair stylized with a one side up, hair between eyes, swept bangs, and sidelocks.
She is voiced by Igoma Yurie.