Most likely she was referring to Ruu there. If they are close friends, they may have known her circumstances.Did they read his memory?
I mean, the last chapter ended with Ruu staring at him with worry. i wouldn't be surprised if they actually managed to get a flash of that memory with how strong it seemed...but maybe they could feel it in his face with how his demeanor changed from one moment to the other.Most likely she was referring to Ruu there. If they are close friends, they may have known her circumstances.