Life as a Tower Maid: Locked up with the Prince

I transmigrated into a novel as the maid of a prince who was trapped inside a tower. It was depressing enough to be locked up in that tower, but the situation that I found myself in as soon as I transmigrated was straight up whack. The original owner of this body, Rosé, threatened the prince and forced him to kiss her! To make matters worse, Rosé was completely obsessed with the prince, and while trying to monopolize him, she dies a futile death! We’re right on track to [death via decapitation] as soon as the prince escapes the tower. So instead, I offered to make a contract with the prince, aptly titled as ‘The Contract for the Life and Death of Rosé Artius’. No skinship at all! As long a...