The two people who had just come to watch the fight in this training approached those who had finished fighting, Yae and Mafu... At the same time give applause with a pinch of his hand even though they still use a kitchen apron because they have just finished helping Lin cook.
Mafu ended his applause, and Yae followed suit and he praised the two of them, "Well~ a good fight." These two people who could be said to be seniors having known many things, they didn't seem surprised by the existence of the light element possessed by Gustav, it was likely that they had already seen others who already had the same element.