Rin Kurusu is a Japanese singer, tarento, and voice actress born in Tokyo on November 8, 2000. Before focusing on voice acting, she was a member of the idol group 26-ji no Masquerade from its debut in 2017 until the group disbanded in 2022. Following the group's dissolution, she launched a solo career under the record label Lantis while also pursuing voice acting.

Kurusu made her voice acting debut in 2023, voicing the character Cyan in the anime series KamiKatsu: Working for God in a Godless World. This role also marked her debut as a solo artist, as she performed the anime's opening theme song I Wish. She continued her music career with the mini-album Happy Lucky Diary and the single Believer, which was used as an ending theme for the third season of That Time I Got Reincarnated as a Slime. Her third single, What's your name?, served as the ending theme for the series I'll Become a Villainess Who Goes Down in History.

In 2024, Kurusu began voicing Hime Anyoji in the Love Live! franchise, starting with the mobile game Link! Like! Love Live!. She has since performed the role in numerous live concert tours and events, including the Hasu no Sora Jogakuin School Idol Club 2nd Live Tour, 3rd Live Tour, 4th Live Dream, and 5th Live Tour. She is set to reprise the role in the 2026 anime film Love Live! Hasu no Sora Jogakuin School Idol Club Bloom Garden Party.

Her other significant voice roles include Nami in the second season of Our Last Crusade or the Rise of a New World and Miho in the 2025 anime film Eiga Odekake Kozame Tokai no Otomodachi. According to her agency, her hobbies include gaming.