Page 4, middle panel:「ね!そうだよね沙優ちゃん!」
Yuzuha is getting Sayu to confirm what she said.
The other translation conveys this well: "Isn't that right, Sayu-chan?"
This one, however, makes zero sense. First, Yuzuha explains how she met Sayu, then she acts surprised at the very words she herself said as if it was Sayu who had been speaking. What?