As the door flies open, You flies back, spinning with the door and crashing into the wall next to the now-open room with an "oof," but she remains on her feet.

And that is unmistakably Yoshiko Tsushima. You just stands there, stunned for a moment. Yoshiko's wide smile is met with You rushing her and clinging to her in a fierce hug. "Yoshiko-chan-- it's you, right? It's really you, right?!"

Yeah, she's starting to cry.