Saya Hayashi (林 沙耶, Hayashi Saya; born June 2, 1999), known professionally as Rikka Ihara (伊原 六花, Ihara Rikka), is a Japanese actress, singer, model, and radio personality affiliated with Foster. After learning chorus and dance and starting her career as a child actor, she was captain of the Osaka Prefectural Tomioka High School dance club, and after they came to national media attention after their appearance at the 2017 Japan High School Dance Club Championship, was scouted by Foster and was the Century 21 Girl. She also starred as Mei Ayazuki in Meiji Tokyo Renka (2019), the titular Iinchou in Donburi Iinchou (2020), Honoka Ōba on Sumo Do, Sumo Don't (2022), and Sakura Uchida in Nightmare Resort (2023). In 2019, she released "Wingbeats", a single produced by Shinichi Osawa, and was a guest vocalist for "Love Dramatic", the theme song for the anime Kaguya-sama: Love Is War.
Source: “Rikka Ihara”, English Wikipedia (CC BY-SA 4.0), excerpt