Yumeha Kōda is a Japanese voice actress and singer born on April 18, 1992, in Tokyo, Japan. She began her career under her real name, Yumeha Takahashi, before adopting her current stage name. Her interest in performance started with a childhood dream of becoming a singer, which evolved into a focus on anime songs during her middle school years. She entered the industry after participating in a rookie discovery audition conducted by the agency Production Ace, which led to her training at the Production Ace Acting Institute.

Kōda made her voice acting debut in 2009 with the role of Dia in the anime series Kiddy Girl-and. For the first eight years of her career, she was affiliated with Production Ace before transitioning to freelance work at the end of 2016. Her career encompasses voice acting in anime and games, as well as a concurrent music career. She made her debut as a solo singer in 2014 with the single TWO BY TWO, which was used as an ending theme for the anime Fate/kaleid liner Prisma Illya 2wei!.

In addition to her work in anime, Kōda has provided Japanese dubbing for foreign films and television series, including titles such as Breaking Point and 17 Again. She has also appeared in stage productions and has co-authored a book.

Throughout her career, Kōda has accumulated a range of major and supporting voice roles across numerous anime series. Her notable television anime credits include:
Zuita Brusasco in Chaika - The Coffin Princess and its sequel, Chaika - The Coffin Princess Avenging Battle
Sumire Mikazuki in Triage X
Fuzuki Matsuura in Isuca
Kuremeria in KonoSuba: God's Blessing on This Wonderful World!
Tsubaki Tokui in Sakura Trick
Harumoa Toriba in Tokyo ESP
Mayu Nishikawa and Kaori Okita in Haruchika: Haruta & Chika
She also appeared in multiple installments of the Fate/kaleid liner Prisma Illya series in both voice roles and as a theme song performer, and voiced Sakura in the game Unbreakable Machine-Doll: Facing Burnt Red.

Kōda’s career includes recurring collaborations, particularly with the Fate/kaleid liner Prisma Illya franchise. She not only provided character voices for the series but also performed the ending theme songs for the 2wei! and 2wei Herz! installments. Her work in the Triage X anime also involved a musical contribution, as she performed insert songs in character as her role, Sumire Mikazuki, alongside fellow voice actors.

Among her notable achievements, Kōda has maintained a dual career as both a voice actress and a signed singer, releasing multiple singles under the Lantis label. Her debut single, TWO BY TWO, reached 91st place on the Oricon charts, and her second single, Happening Diary / Wishing diary, peaked at 117th. Beyond performance, she has established a presence as a blogger and columnist, sharing insights about the voice acting industry, and has published a collection of essays. Her social media presence has been noted for its candor regarding the challenges of freelancing in the entertainment industry.