Koschei had just been wandering. Exploring since it seemed the he'd be here for awhile. It wasn't nearly as much fun exploring on his own as it would have been if Theta was with him, but he doubted that he could have convinced the older Theta to tag-a-long and do things that little kids did. He'd probably already put away childish things, after all.
Oh, that was a sad thought.
But then he spotted someone, an unfamiliar face, and he couldn't help but smile as he wandered over, waving happily, "Hi!"