Kana Asumi is a Japanese actress, voice actress, and singer born on August 12, 1983, in Fukuoka, Japan. She is affiliated with the talent agency 81 Produce. Before her voice acting career, she briefly worked as a childcare provider, having earned qualifications as a nursery teacher. In 2004, she adopted the stage name Kana Asumi to distinguish herself from another performer with the same birth name. Asumi began her career in the entertainment industry in 1999 and transitioned to full-time voice acting in the mid-2000s. She was previously a member of the voice actor unit LISP.

Asumi's career is marked by a significant number of leading and recurring roles in anime television series, original video animations, and films. One of her earliest major roles was as Yuno in the long-running slice-of-life series Hidamari Sketch, a part she played from 2007 through various sequels and specials. This was followed by another iconic role, Popura Taneshima, the diminutive but hardworking waitress in the workplace comedy Working!! and its sequels. She gained further prominence for her energetic performance as the titular character Nyarlathotep in Haiyore! Nyaruko-san and its subsequent series. Another signature role is Komari Koshigaya in the acclaimed rural comedy Non Non Biyori, a character she has voiced across multiple television seasons and a film. Asumi has also portrayed Hinata Kuraue in the Encouragement of Climb series across its several seasons.

Beyond these long-running franchises, Asumi's filmography is extensive and diverse. She has voiced characters such as Chihiro Kosaka in The World God Only Knows, Aira Harune in the Pretty Rhythm franchise, Blanc and her alter ego White Heart in the Hyperdimension Neptunia series, and Marika Tachibana in Nisekoi. She is also known for her work in major film projects, including the role of Nagisa Momoe in Puella Magi Madoka Magica the Movie: Rebellion. Her repertoire includes roles in a wide range of genres, from fantasy series like A Certain Magical Index as Hyoka Kazakiri to comedies like Grand Blue Dreaming as Aina Yoshiwara. She has also lent her voice to characters in anime adaptations of video games and mobile games, including Bronya Zaychik in projects related to Honkai Impact 3rd and Izuna Kuda in Blue Archive.

Asumi's work is not limited to anime television; she is also active in video games and dubbing. In video games, she is well-known for voicing Blanc in the Hyperdimension Neptunia game series, Patty in Phantasy Star Online 2, and Felicia in the Marvel vs. Capcom series. Her talent has been recognized within the industry; she received the Best Lead Actress Award at the 7th Seiyu Awards in 2013. Earlier in her career, she also won the Award for Best New Actress at the 3rd Seiyu Awards in 2009.