Lyn (Lyn Inaizumi, 稲泉りん) Birthday: March 13, 1988 Lyn Inaizumi, known professionally as Lyn, is a Japanese jazz and soul vocalist, active in her local jazz/soul community. Lyn is best known for her work as the vocalist in Persona 5 and its spin-offs. Please note: Korean singer Lee Se-jin is styled as LYn.