Goro accidentally bought two tickets for his favorite idol Iyo's concert, so he invites Koki along. After learning that Koki has become a KamiErabi God candidate in Tatsuya's place, Goro ends up running into Iyo in a men's bathroom just prior to the show.
But now that you're part of this, 
you're going to have to fight us too.
aber jetzt wo du am Kampf teilnimmst,
Ahora que eres parte de esto,
tendrás que pelear contra nosotros.
Ahora que eres parte de esto,
tendrás que pelear contra nosotros.
mais si tu participes,
ma se partecipi alle battaglie
Mas agora que é parte disso,
você vai ter que lutar contra nós também.
но раз будешь участвовать,
то придётся сражаться и с нами.