©五十嵐正邦・講談社／「真夜中ハートチューン」製作委員会 Voice actor Rikuya Yasuda has been selected as the main character Arisu Yamabuki for the forthcoming Tune In to the Midnight Heart TV anime adaptation. The program is set to premiere in Japan sometime in 2026.
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©五十嵐正邦・講談社／「真夜中ハートチューン」製作委員会 -
©五十嵐正邦・講談社／「真夜中ハートチューン」製作委員会
©五十嵐正邦・講談社／「真夜中ハートチューン」製作委員会 
©五十嵐正邦・講談社／「真夜中ハートチューン」製作委員会 Yasuda joins an already revealed voice cast that features:
- • Momoko Seto as singer Rikka Inohana
- • Rumi Okubo as voice actor Nene Himekawa
- • Sayumi Suzushiro as VTuber Iko Kirino
- • Miku Ito as announcer Shinobu Uzuki
Moreover, the anime’s official website released a unique video featuring Yasuda and the anime’s staff members ascending Mt. Fuji.
Masayuki Takahashi (Butareba -The Story of a Man Turned into a Pig) is directing the anime series, with Yukie Sugawara (Grandpa and Grandma Turn Young Again) serving as series screenwriter and Tomoyuki Shitaya (2.5 Dimensional Seduction) as character designer. Gekkou is overseeing the animation production.
The anime is adapted from the romantic comedy manga series by Masakuni Igarashi, which debuted in Kodansha’s Weekly Shonen Magazine on September 20, 2023, and has released nine tankobon volumes as of June 2025. A 10th volume is scheduled for release in Japan on September 17, 2025.
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©五十嵐正邦・講談社／「真夜中ハートチューン」製作委員会Kodansha USA has licensed the Tune In to the Midnight Heart manga for English print release, summarizing the main plot as:
At the end of a trying day, the arrogant yet sincere wealthy youth Arisu found his only comfort in the voice of a girl his age, who streamed under the alias “Apollo.” Then, one day, the broadcasts ceased. Arisu has spent the years since searching for Apollo’s real identity, narrowing it down to a specific high school. He transfers as a student, thinking it will be easy–but soon learns it could be any of the girls from the broadcasting club! And the real Apollo is silent for her own reasons! These four girls may have little regard for Arisu’s character, but they each aspire to use their voices for careers, and they certainly could benefit from his wealth… Can the straightforward and bombastic Arisu gain proper standing in the club and uncover the true girl behind his dream voice?
Sources: Tune In to the Midnight Heart Official Twitter, Anime News Network, Comic Natalie
