Tune In to the Midnight Heart

• Ja Kanji — 真夜中ハートチューン • Ja Romaji — Mayonaka Hāto Chūn • Genre — Romantic comedy

• Type — manga • Author — Masakuni Igarashi • Publisher — Kodansha • Magazine — Weekly Shōnen Magazine • Imprint — Shōnen Magazine Comics • First — September 20, 2023 • Volumes — 14

• Type — tv series • Director — Masayuki Takahashi • Producer — * Takashi Murakami • Yuusaku Azami • Hirokuni Taniguchi • Hirotsugu Oogo • Ayumi Iwasaki • Nobuhiko Kurosu • Fumihiro Ozawa • Writer — Yukie Sugiwara • Music — Kuniyuki Takahashi • Studio — Gekkou • Licensee — Crunchyroll • Network — FNS (Kansai TV, Fuji TV), BS Asahi (TV network), AT-X • First — January 6, 2026 • Episodes — 12

• Portal — yes Tune In to the Midnight Heart is a Japanese manga series written and illustrated by Masakuni Igarashi. It began serialization in Kodansha's Weekly Shōnen Magazine in September 2023, and has been compiled into fourteen tankōbon volumes as of August 2026. The series is simultaneously serialized in English on Kodansha's K Manga digital service. This series follows a young Japanese boy searching for the identity of "Apollo", a girl who used to livestream and gave him solace. After narrowing it down to a specific high school, he transfers there but faces the challenge of identifying Apollo among the broadcasting club's four girls, who have their own dreams and a desire for his financial support. An anime television series adaptation produced by Gekkou aired from January to March 2026. A second season is set to premiere in 2027.

Arisu Yamabuki, a high school sophomore, has been looking for a girl named Apollo, a radio broadcaster whose face and real name he does not know. One day, Arisu finds a clue about Apollo in the broadcasting club of the high school he is attending. There, he finds four beautiful girls who dream of "getting a job related to voice." Arisu vows to fulfill the dreams of each of the four girls in order to find out the true identity of Apollo.

• Arisu Yamabuki: • The protagonist, he is currently a 2nd-year high school student. He listened to a radio personality known only under the alias Apollo while in junior high school and is determined to learn her true identity. • Shinobu Uzuki: • A high school student and a member of the broadcasting club. She is aiming to become an announcer. She is also the student council vice president. • Nene Himekawa: • A high school student and a member of the broadcasting club. She is aiming to become a voice actress. • Iko Kirino: • A high school student and a member of the broadcasting club. She is aiming to become a VTuber. Her online persona is Ikon Sumeragi. • Rikka Inohana: • A high school student and a member of the broadcasting club. She is aiming to become a singer. She often holds public performances while playing the guitar, but had little success until Arisu began helping her. • Lemon Ando: • A teacher and adviser of the broadcasting club. • Aiko: • Rikka's best friend and former band member. • Ao Momotose: • A famous VTuber who has over 3 million subscribers. She is part of the VTuber group called Blue Box. • Riina Yamabuki • Ami Koshimizu • Mito Yamabuki • Kaede Hondo

Tune In to the Midnight Heart is written and illustrated by Masakuni Igarashi. It began serialization in Kodansha's Weekly Shōnen Magazine on September 20, 2023. It is also simultaneously released in English on Kodansha's K Manga digital service. During their panel at San Diego Comic-Con 2024, Kodansha USA announced that they licensed the series for English publication beginning in Q2 2025. The first volume was released on December 15, 2023. To promote the release, an article featuring an interview and collaboration with VTuber Shigure Ui was published, along with comments by voice actress Kana Hanazawa. The second volume was released on February 16, 2024. To promote its release, a video featuring Ayane Sakura voicing the female characters was published.

An anime television series adaptation was announced on March 14, 2025. It is produced by Gekkou and directed by Masayuki Takahashi, with series composition by Yukie Sugawara, characters designed by Tomoyuki Shitaya, and music composed by Kuniyuki Takahashi. The series aired from January 6 to March 24, 2026 on the brand new Ka-Anival!! programming block on all FNS affiliates, including Kansai TV and Fuji TV. The opening theme song is 4='Attack Toward the Moon', performed by Hoshimachi Suisei, while the ending theme song is 4='Trails of Voices', performed by Soala (Japanese singer). Crunchyroll is streaming the series. Plus Media Networks Asia licensed the series in Southeast Asia and broadcasts it on Aniplus Asia. After the airing of the final episode, a second season was announced. It is set to premiere in 2027.