A great idea for a domain name for your boudoir photography is seduzi.one – Seduction in Italian (the image below is provided by Image by fxquadro on Freepik)
You need to consider having solid contracts setup with your models once you get into Boudoir photography.
Modern Boudoir Contract Template
The Naked Truth: A Pricing Guide For Boudoir And Portrait Photographers
Related eBooks and tutorials:
The Workshop In A Book
1500 Poses: A Glamour, Portrait & Boudoir Photography Shot Guide