A/N: I'm sure the Anthea Real Name situation has been played before and certainly the whole idea of her and Mycroft but Hey ho I thought I'd add my two penneth worth (such a strange saying). Anyways my lovely readers please do enjoy this strange little spurt of creative genius.
Anthea was a flirt.
She knew of John Watson, she knew he was a Doctor and that he was desperate to check her anatomy on a more personal basis. Her boss was incredibly concerned by the Doctor's and Sherlock's companionship. She wasn't at all concerned by John Watson and Sherlock. Nor she was concerned by Watson's attempt to flirt with her; she was used to the attention, she'd seen his quick peeks to her figure, her legs and of course her chest.
Mycroft had told her to make herself alluring and mysterious so naturally she got the twins out.
Anthea was a flirt. She enjoyed making men do a double take, enjoyed the builder's whistles as she stalked past the many construction sites of London. She enjoyed the attention that she received from any man.
Anthea was intrigued by Mycroft, he was so cold and aloof but he was so passionate in bed she couldn't bear to tear herself away. She refused to admit that it wasn't because of his power or his money that she was attracted to the elder Holmes brother. It was because he made do wonderful things and cared.
A boss like him could easily treat her like a cog in the machine, but not Mycroft, he took an interest even before the sex. He remembered her birthday and her mother's birthday. He remembered every little detail. While Anthea knew that Sherlock was useless when it came to women, even with compliments he was blunt bordering on rude. Mycroft had a silver tongue and looked after her well, in return she did as she was bid.
So as she laid out naked against Mycroft's bare chest, the thin sheet covering them as they curled together, she looked at the now sleeping Holmes brother, his arm firmly around her waist.
She didn't have to put on an act for Mycroft, she could be herself.
"Go to sleep Rachel." Mycroft kissed her forehead and she smiled and snuggled down again.