Tune In to the Midnight Heart 12 (Weekly Shonen Magazine KC)

[Machine Translation] Late at night, alone in bed, your voice was the only thing that saved me. I want to talk to you again. I have something to say. Arisu Yamabuki, a sophomore in high school, was looking for a girl named "Apollo," a radio broadcaster whose face and real name she did not know. One day, however, Arisu finds a clue about Apollo in the broadcasting club of the high school she is going to. There she finds four beautiful girls who dream of working in the voice business. On the last night of the school trip, Iko sneaks out of the hotel and goes to see her former classmate from elementary school, but he seems to have been through a lot in the past...? Worried about Iko, Yamabuki, Rokka, Shinobu, and Nene also escape from the hotel in their slippers! What happened to Iko when she arrived at the hotel? Rokka returns from her school trip and decides to write the debut song for the band she and Hizumi plan to form! However, the song is rejected by the professional-minded Hizumi, and the competitive Rokka's heart catches on fire!

「深夜ひとり、ベッドの上、キミの声だけが救いだった。もう一度キミと話したい。言いたいことがあるんだ」。高校2年生の山吹有栖は、「アポロ」という名の、顔も本名も知らないラジオ配信者の少女を探していた。だがある日、有栖は進学先の高校の放送部にアポロの手がかりを得る。そこにいたのは「声に関わる仕事に就く」夢を描く美少女が…4人!!修学旅行最後の夜にホテルから抜け出したイコは、小学校の元同級生に会いに行くが、過去にいろいろあった様子で…? イコを心配した山吹、六花、しのぶ、寧々の4人もスリッパのままホテルから大脱出! 暗い過去を思い出すイコのもとに辿り着いたのは――? 修学旅行から戻り、六花はヒズミと結成予定のバンドのデビュー曲を作ることに! しかし、プロ思考のヒズミにボツをくらい、負けず嫌いの六花の心に炎が宿る!