Aishling Morgan 
Strip Girl [EPUB ebook] 

Shy, self-conscious Sarah is all too used to attracting male attention because of her ample bust and well-formed bottom, despite never really knowing what to do with it. Offered her dream job as a cartoonist, she is willing to sacrifice a little of her own dignity by drawing cartoons for men”s magazines.
Unfortunately, the job also means sacrificing every last scrap of propriety for Sarah”s heroine, the exquisite Celeste du Musigny, which has unforeseen repercussions, ensuring that Sarah comes to live out every last detail of her darkest and most secret fantasies.