[Cosmo had heard something was going on, but she was unsure what it was all about. Her people had their own traditions, and there hadn't been much time to learn about other worlds.
So she wanders in, looking around curiously at everything. She kind of misses Tails...he'd explain what was going on to her. But since he's not here, she'll do her best to figure it out on her own. The little plant girl stays close to the walls, unsure where to go]