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.
On court 1, we have the two-time entrant 
dance unit with seven members, Sparkle!
في الملعب 1، لدينا فرقة الرّقص الّتي 
!شاركت مرّتين بسبعة عضوات، سباركل
Auf dem ersten Spielfeld
Sul campo 1 abbiamo le Sparkle, un gruppo di ballo
di sette membri alla sua seconda partecipazione!
Na quadra 1, temos a volta do time Sparkle,
uma unidade de dança com sete membros.
На первом поле у нас ветераны — «Блеск»,
 танцевальный коллектив из семи человек!