I know everyone knows the trick of wrapping themselves up in ribbon, naked and under the tree for their transfem on Christmas morning. It's a classic for a reason! But remember to focus on the details too!
Firstly, your pussy should be sopping wet. How you achieve this is up to you, but it's important to remind your transfem that you belong to her because you have a cunt, and there's no better way to do that than making sure the ribbon between your legs is damp and stained a darker colour.
Transfems can sometimes be deadnamed - a well placed name tag on one of your nipples can be both cheeky and affirming. Not only can you make sure the right name is on it, you get to be a little tease, and add a little statement to go with it. Are you For her? Is the present from you, or someone else?
Christmas is a great opportunity to push yourself a little. You're hers every day of the year, so why not make this day special? Teach yourself a new trick, how to deepthroat or take it in the ass. Maybe you'd like to dress up as Santa or an Elf. You could leave just your holes poking out of a big, colourful gift box, or fulfill any other fantasy she's had a while. She's been such a good girl all year (How could she not have been a good girl, she's a transfem Goddess?), so she deserves a little extra treat.
Make sure to have some refreshments ready. She'll probably be playing with her gift all day, and she'll need something to perk up. Seasonal options include milk and cookies, eggnog or mulled wine for if she likes to be a little tipsy, and for something more substantial, feel free to prepare a traditional holiday meal.
Hopefully some of these tips have been helpful! Remember, always cater to your transfem rather than just following whatever tips you see online - every transfem is different, even if many will like this kind of treatment! Merry Christmas~