The students from Class 3 are fighting hard to sell their CDs. That's when the world's most adorbs otokonoko idol appears before them, POP'N STAR's Hanabusa Kokoro. After having their various inadequacies pointed out to them, the students of Class 3 declare that, on stage, they won't be beaten by anyone. Kokoro invites them to open at his upcoming solo live concert.
I was pretty confident in my stamina, but...
...كنت واثقًا من قدرتي على التحمّل لكن
Dabei hatte ich relativ viel
Vertrauen in meine Ausdauer.
Ero abbastanza convinto 
della mia resistenza fisica, però...
Eu tinha confiança na minha
resistência física, mas...
Я думал, что выносливый, но...