Said person she passes is Jonathan Strange, who had gotten separated from everyone in the confusion of the manor breaking apart and, hearing voices, decided to investigate. Though once he hears Yuya and Yuzu call out Reira's name, he springs into action. She's one of the kidnapped people: he's sure as hell not letting her get away.

Reira's running towards his end of the hallway so he's got a bit of an advantage on time. Still, it doesn't take that long. Just a quick gesture towards Reira and a mutter of words under his breath causes earthen hand springs from the ground, moving towards Reira as it attempts to grab her ankle.