"Huh?" Yuya's expression slips and, of course, he proceeds to completely lose his concentration when outright told not to, like he didn't even realize that was a thing happening.

With his hands halfway in a mirror. There's a long pause of bewilderment, and the magic is quite clearly no longer pulling him forward. Or pushing him out, or doing anything. He pulls once and, when they continue to be sunk in the reflection, snaps his attention to them in panic and pulls even harder. "Eh?!"