Hayama Hiyori is a high school student and professional singer. Unable to succeed commercially, her agency terminates her contract. Unwilling to give up, she decides to participate in Extreme Hearts, a sports event for musicians and performers.
The festival for girls, 
Hyper Sports: Extreme Hearts...
:مهرجان رياضات الفتيات الفائقة
...القلوب الشّديدة
Ein Fest für Mädchen-Hyper-Sport!
Extreme Hearts! Schon bald ist es so weit!
Le tournoi féminin d’Hyper Sports,
Extreme Hearts, va bientôt commencer !
Il festival femminile di Hyper Sports: 
Extreme Hearts...
Começa agora o festival dos
Hiperesportes femininos... O Extreme Hearts!
Фестиваль женского гиперспорта, «Пламенные сердца»...