Looks great! The only big thing I’d change would be the fill lighting - there would be more fill light from the skylight - some of it would be direct sun that has bounced off the sides of the skylight, some would be light from the sky. It would illuminate the area near the window more, like that bookshelf.
Her reflection in the mirror looks all black, and the back wall behind her really bright - try putting a little kick of light along the side of her in the reflection, some eye highlights and shine on her lips and maybe nose, and toning down the back wall in the reflection. Her hair looks all black in the reflection and direct view - she’s very near a skylight and it would be nice to see some highlights on her hair!
I like how you have added wrinkles to one of the pieces of fabric in the scene, beneath the skylight. That will hold up even if that area gets brighter (it is right under the skylight.) The other fabric in the scene, the towel screen left and the panties, needs a little more work with wrinkles. Spend most of your time on the panties, because that’s where everyone looks of course, but the towel should look natural as well.
Keep up the good work,
-jeremy