Kumai Yumi is a talented Japanese voice actress known for her work in anime and video games. She gained popularity for her role as Kumiko Oumae in the series Sound! Euphonium, showcasing her ability to bring characters to life with her expressive voice. In addition to her anime roles, Kumai has also contributed to various video games and dramas, further establishing her presence in the voice acting industry. Her versatility allows her to portray a wide range of characters, making her a respected figure among fans and peers alike.