We wanna be yours [Poly x Oc ]

Bella is a young woman who has been struggling with making a decision of her life and that is to finally decide what she wants to do with her life but before she could do that something kills her and her friends turning out that it was some demon lord who wanted to use them in life risking games in order to cure his boredom.

Sadly only one person can come out of the game and able to go back to the human world, will she win? Or lose? And how will she deal with a angels coming down to kill the people she started to like