I HAD ONE NIGHT STAND WITH THE CROWN PRINCE

I wake up and become the male lead younger sister who already died. Now what? I had one night-stand with the crown prince and he wants me to take responsibility?! "What?! NO!" "Just accept this marriage" I reject him and now he is forcing me with the most dirty trick! - [Author note:This is my first time writing thing like this so please bare with me. This is also have smut and my first time writing it too. Hope you guys understand]