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Kanon receives a ransom note during Miracle²'s handshake event demanding the Sound Jewel Case in exchange for Kojiro, though Kojiro escapes on his own. She secretly takes the Sound Jewel Case to the Dokudoku-dan. The Dokudoku-dan turn a construction worker (Kanji Tsuda) into the Negative Jeweler, Hofukuzettoka, and steal the Sound Jewel Case, but the rest of the girls come to her rescue. Miracle Tunes takes the Sound Jewel Case back uses the Rock Jewel to tune up Hofukuzettoka, recovering the Metal Jewel.
Asaka Uchida
Kanon Ichinose
Suzuka Adachi
Mai Kanzaki
Yuzuha Oda
Fuuka Tachibana
Rina Usukura
Akari Shiratori
Mio Nishiyama
Hikari Shiratori
Mayuko Hiraguchi
Rocky (voice)
Yuko Mori
Kuranosuke (voice)
Reika Yoshimoto
Alm (voice)
Mari Hino
Poppun (voice)
Chitose Morinaga
Sopra (voice)
Mimi Maihane
Goddess of Music
Jirayu Tangsrisuk
Demon King Maou
Baruto Kaito
Uno / Sano
Motoki Fukami
Stomachpits (Kenji Mizoochi)
Miyuki Torii
Necksprain (Madame Nechigae)
Mayumi Ono
Mayumi Yuzuhara
Sasuke Otsuru
Kojiro
Akiko Hinagata
Yukie Suzuhara
Suda Kohaku
Tamagawa Erina