You know what I am

I looked down my legs seeing fire wrapping them together ,shrieking I was ready to give up to him.
"You summoned me Kristine. Last night you called for me..."
"I don't even know you're name!"
"Sebastian. My name is Sebastian happy?"
_________

Kristine lived a life filled with misery. After discovering her father's murder case was closed and unresolved Kristine decided to summon help from the other side. Summoning a hell creature, Kristine makes a deal with him bargaining her soul. This odd demon stole more than her soul. Could she love such creature? Could she find the hidden answers of her father's case? Can she find the killer before it's too late?
(Book 1 of Demon series-Kristine/Part 1)