is a Japanese television series starring members of the idol group Hinatazaka46. The show follows the daily lives of students at a voice acting school. The show aired on Nippon TV at 1:00 AM to 1:30 AM on Thursdays, and was available on Hulu Japan after it finished airing. The series is the third television series to feature Hinatazaka46, after ' and Dasada, but Koeharu! is the first to not include every member.
Meiko Hinowa (Mirei Sasaki) decides to enroll in a voice acting school named Kirameki Academy to audition for a role in her favorite manga series that is about to be adapted into an anime. She befriends people at her dormitory and school as they all work towards their dream roles.
The series was announced on March 27, 2021 during the second day of Hinatazaka46's 2nd anniversary concert.
Koeharu aired on Nippon TV between April 29 and July 1, 2021, and was available on Hulu Japan after its broadcast. An accompanying talk show was also included on Hulu where Sarina Ushio, the narrator of the series, interviewed other Hinatazaka46 cast members.
The opening and closing theme song, "Koe no Ashiato", is included in Hinatazaka46's single "Kimi Shika Katan". In the storyline, there are also two musical groups who each record a song in the series' soundtrack: by Maririn & Ruby (Konoka Matsuda and Suzuka Tomita), and "Hell Rose" by Chocola Chocola (Hina Kawata, Hiyori Hamagishi, and Mei Higashimura).