Science fiction - YA

Judging by the group I’m posting this in, I need help.

So the story starts with a small group of people waking up in a place that isn’t earth. They found out that it had been “destroyed” as so they have been told.

Throughout the book, the main character doesn’t think so.

it’s a science fiction YA book I think

There’s these beings of a different species and I believe their skin was something that you could differentiate between them being human or not and they’re keeping multiple groups of people in a separate “world” to repopulate the human race basically.

The people she was with didn’t want to escape and tried to keep her there and blah blah.

The main character ends up escaping through the water? With a guy and he ends up betraying her I THINK. .. I also believe it was towards the end. All I remember is her being betrayed by someone.

One scene in the book is her potential love interest, the guy of the different species taking her places and she sees humans being treated as entertainment in more ways than one.

I’ve been thinking about since I read in my school library and I remember fishing it