The Enchanted Evening

To start this scenario, shower your partner with love letters all day while keeping the main event a secret. It's about building anticipation, excitement leading to an unpredictable evening.
Upon entering the bedroom, the atmosphere should be intentionally altered to go beyond the usual scenes. Create a magical ambience with aromatic candles, dim lights, seductive music and lush silk sheets. The idea is to transform the bedroom into an enchanting set echoing your favorite erotica.
The sensual evening starts with a warm bath coupled with a sensual massage to set the tone right. As the night wears on, let your erotic fantasies take over, explore new positions, engage in dirty talks or enact a scene from your favorite erotica. The idea is to delve deeper into each other's personalities, explore each other's bodies like never before and end the night by falling asleep in each other's arms.

In preparation, first thing you'll need to do is to write an array of love letters or sweet notes. Scatter these notes throughout the day to create a buildup for the main event.
Next is transforming the bedroom into an enchanting haven. Tidy up the room, change into smooth silk sheets, put up fairy lights, light up scented candles and prepare a playlist of soft seductive music. Do all this while your partner is not in the room to maintain the element of surprise.
Lastly, prepare a luxurious warm bath complimented with essential oils, salts and rose petals. Have a bottle of chilled champagne or your partner's favourite drink ready to serve. The aim is to give a VIP treatment to your partner and make them feel special.

To spice up things, consider role-playing elements to your enchanted evening. Dressing up as a character or adapting a seductive persona can elevate the sexual tension.
Remember, communication is key. Explicit consent is necessary. Make sure to discuss your boundaries and safe words beforehand. It's vital to keep the evening fun, respectful and pleasurable for both of you.
Lastly, don't rush. An important part of this scenario is the suspense and slow-building pleasure. Take your time with each step and enjoy the sensory delights that come with the slow burn.