Marie
She stumbled backwards slightly when he said her name. "How-" Wait. His hair, his eyes, his voice. "Tsubaki!?" She pushed her glasses up on her face. "W-What are you doing here..? My hair? I dyed it.." She twirled her hair with her pointer finger slightly. What does she do? Hug him? Pearl walked up to him and brushed at his leg with her paw and let out a sound of content.
Mildred
So he was right. It was the same Pearl. Pulling a pokeball from his pocket, he let out weavile so the two could interact. The ice type seemed surprised and curious. The last time they'd met he was just a sneasel. Speaking of which, the last time he'd seen his sister he was still a little kid. It was strange being tall enough to look her in the eye. Not that it made it any easier, the old man made sure of that.

His brow twitched, crossing his arms as he corrected. "It's Silver." He looked away, "You know I hate that name..." The second half was much much quieter, without its usual real bite. "It's this." He pulled a folded letter form his pocket, the invitation written in elaborate cursive print. "I should ask you the same thing. Why are *You* Here?" In his heart the slightest hope returned. Even all those years ago when he'd yelled at the old man and stormed off, proclaiming his hatred, he silently hoped his big sister would leave with him and put team rocket behind them. Apparently having realised that could very well be a can of worms that doesn't need opening right now, he pocketed his hands again. "Well whatever, I don't want to stick my nose in anything." It was spoken out of a genuine concern for making the other uncomfortable, albeit watered down in the prideful way he always did, giving her the option to not answer. As he scuffed his shoes, it was clear he was holding back a lot of things he wanted to say.
Marie
The female took out her letter aswell. "I became an Elite 4 in Alola and was invited here." She gave him a friendly smile. Pearl just stared at the Weavile, before speaking... Human words. "How's it goin'?"