Episode 57: Nitori Knows From the Artist's Pixiv page.

Ayayaya ... Marisa's amazing!

It's such a wonderful technique, why didn't she use it from the start?

That's because it has a weakness.

She probably won't be able to use it in the next match.

I see.

She just wanted to hold off on using it too early.

I wonder when Team Yukari will figure it out.

Chen.