Tune In to the Midnight Heart Reveals Main Cast

Tune In to the Midnight Heart revealed the main cast and a new trailer (full voice version) at Anime Japan 2025. The main cast consists of:

• Momoko Seto as Rikka Inohana
• Rumi Okubo as Nene Himekawa
• Sayumi Suzushiro as Kirino Iko
• Miku Ito as Shinobu Uzuki

The four voice actors also took the stage at the anime’s stage panel. The series is set to premiere in 2026.

Also check out our full Jump Festa 2025 Announcements coverage

Tune In to the Midnight Heart, written by Masakuni Igarashi, is a manga series that debuted in Kodansha’s Weekly Shonen Magazine in September 2023. As of January 2025, the series has been collected into seven volumes. You can see the first teaser visual for the anime below.

The manga is also available in English simultaneously through Kodansha’s K Manga digital platform. It describes the story:
When Arisu Yamabuki was all alone in bed at night, he was able to find solace in the voice of a radio host who went by “Apollo.” However, one day, she simply stopped broadcasting without any explanation.Years then passed, and Arisu is now a second-year high-schooler. He makes it his mission to search for Apollo, as there is something he wants to tell her. He doesn’t know what she looks like, or even what her real name is, but he manages to get some leads on her in his school’s broadcasting club. That’s where he meets four girls who all dream to get a job where they can make full use of their voices!Just who is Apollo, and how will those four’s dreams pan out?

Source: Tune In to the Midnight Heart Official Website, AnimeJapan 2025
© Masakuni Igarashi / Kodansha/ “Tune In to the Midnight Heart” Production Committee