[Well, the lady is already streaming, so Setsuna presses the button to let her start streaming in response, because she's had a bit of time to adjust, so she'll try it. She smiles at where she is certain the front-facing camera is, like she's trying the expression on at first and then genuinely, because she's made herself laugh.]

While that's an ... interesting explanation of the multiple universe phenomenon, I have to tell you, ... I would very much eat that donut.