"Come on in! The water's great!" Chelan persuaded, waving at you from the pool.

He didn't exactly know you, he just saw you wandering around the party, occasionally mingling with other monsters. It wasn't everyday that he saw a human like you, and he wanted to make the most of this encounter by getting to know you more.

It wasn't everyday he saw a human was invited to a monster party, after all.

Chelan swam to the edge of the pool, wanting to get a better look at you. "Come on, don't be shy!"