What was supposed to be a fun visit to the karaoke studio suddenly turns into an emergency when the four friends are abducted by a shadowy organization.
#07: Ring Out! The Songs of Friends
Erklinge! Gesang meiner Freundin
#07  Suena la canción de las amigas
#07  Suena la canción de las amigas
#07 QUE LA VOIX DE MON AMIE RÉSONNE !
#07:         Risuona, oh canto degli amici!
Ecoe! O Canto da Amiga
#07: Звени! Песни друзей