Tune In to the Midnight Heart (真夜中ハートチューン) 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 twelve volumes as of March 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 has been announced.
Plot
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.