Gwen's fantasy game with three billionaire

Gwen Sanchez is a writer who loves writing reverse harem romance.
She suddenly woke up inside her story and became an unknown character. Wanting to get out, she enters the most dangerous household consisting of dominant sexy men.
Tied with lies and hope, she’ll be entangled in a sweet demeanor with the antagonist who sees her as a maid and nuisance. Knowing the flow of the story, she will use that to conquer her own story. Is she just a toy for them that is there to please their desires?
Will she stay in that fantasy world with three handsome billionaire or choose to go back to her boring life? What will happen to her in the fantasy game?