"The water is sometimes very revolting," Lily Luna said immediately with her own smile. "I live in fear of it ever flooding because nothing would be safe." Not really, but it went with the joke she'd tried to make. She was feeling a little off kilter because this was not the way she had wanted to me her long lost grandmother. She could hear Al's voice in her head, telling her to steady herself.
She really, really wished her big brother was here. He would most assuredly have some advice on how to handle the awkwardness of this situation.
She stepped carefully back as she tried to get her raging emotions under control and gave Lily a smaller, more unsure smile. "Hi," she said softly. "I'm Lily Luna... Potter."