Harumi Asai is a Japanese voice actress born on February 15, 1972, in Aichi Prefecture, Japan. She is affiliated with the talent agency Office CHK and is affectionately known by her nickname Haru-nee. Asai is a graduate of the CHK Voice Acting Center Nagoya School.

Asai's career spans a wide range of voice acting work in anime, video games, and dubbing for foreign films and television series. Her voice is recognized for its versatility, allowing her to portray both main and supporting characters across various genres. She often takes on roles of adult women, sometimes employing a sensual, husky tone. Colleagues and fans note her warm personality and strong connection with the voice acting community.

Asai has voiced characters in a number of television anime series. Among her notable roles are Minami Kinoshita in Fruits Basket, multiple guest roles in Detective Conan, and Asada in Atashinchi. She is particularly well-known for her long-running role as the character Xiahou Dun (Kakōton) in the Koihime Musou franchise. The titles specified in the query can be confirmed as part of her filmography. She played Hanayo in the anime special Aoi Hitomi no Onna no Ko no Ohanashi and Kaneyo Shibaura in the television series Yattokame Tanteidan. Her work also includes roles in original video animations (OVAs); she voiced Toki Honjōin in Hanayaka Nari, Waga Ichizoku, Sumi Kiriya in Kiriya Hakushakuke no Roku Shimai, and Nanami Honda in Sore de mo Tsuma o Aishiteru. In the ONA Trip Trek, she voiced the character Zocco.

Her work often involves the use of different stage names, particularly for roles in adult-oriented media. For such projects, she has been credited under the names Haruka Fukai (深井晴花/深井春花), Kaoru Momozono (ももぞの薫), and Rin Nanagase (七ヶ瀬輪). The adult anime roles listed in the query are credited to these aliases: Nagi Saotome in Tropical Kiss and Yukie Tsubaki in Triple Sex tribulations are roles performed under the name Rin Nanagase, while Tsunoda Mia in Sex Craft is also credited to that alias.

Beyond animation, Asai has an extensive career in video game voice acting, contributing to franchises like Star Ocean, Chocobo's Dungeon, and F.E.A.R.. She is also highly active in dubbing foreign films and television series into Japanese, with credits including The Village, King Kong, and the animated series Foster's Home for Imaginary Friends.

In 2006, she co-created and began hosting an internet radio show called studio TeaParty with fellow voice actresses Komaki Ichimura and Hiromi Sakurai. Asai is known for her hobbies, which include cycling, karaoke, reading, and surfing the net. She is also skilled at playing the piano and has a talent for rapid document creation.