I cannot use the effect of Performage Fire Dancer on Performage monsters

  1. Bug description
    The effect of Performage Fire Dancer, "If it attacks a Defense Position monster this turn, inflict piercing battle damage to your opponent.
  2. Bug reproduction steps

I just summoned Performage Damage Juggler and Performage Fire Dancer set to pendulum scale.
But i can’t use Performage Fire Dancer’s pendulum effect.
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  1. Screenshot OR error code

  2. Expected behavior
    [Tell us what should have happened when the bug occurred.]

  3. What OS are you using
    [Windows-10 / Linux / Android]
    android & windows-11

Have you tried activating the effect after the very first turn that you don’t have a battle phase?

OMG I’m sorry,
maybe It’s my rule miss.