[@PhoenixRising]

Sylvia turned to face the speaker, half eaten cinnamon roll still in hand, as she swallpwed the mouthful before flashing a smile at the newcomer. Having not listened, nor really caring enough about the situation, she just naturally assumed the boy had seen something he liked and came to claim it. 
First things first...

She could feel what the boy was interested in. Her intuition was rarely wrong when it came to men. 
Sylvia reached forward to grab the boys hand with her own, pulling it up and over top of her ample cleavage. A speck of icing sugar had fallen onto her dress while she had been turning. That simply would not do.. 
Using the boys hand, she gently wiped it off before leaning down to lick his finger clean. 
Sylvias took the chance to get a little more personal. Make him lick his lips a bit. The long black locks fell over her face and covered her cleavage as she began the 'change'. A succubus could alter their appearance at whim. 
With a dramatic flourish she tossed her hair up and back, the motion revealing the deep black strands of long hair had turned turned to a golden blonde, her eyes a light crystal blue. There was a swelling in her more interesring parts meant to catch a mans eye. 

The last was a simple use of her telepathy. A subtle message to his minds eye disguised as his own thought. Sylvia after a wardrobe malfunction. A gust of wind riding her skirt up. 

"Oh, I'm sorry~" she winked before moving closer, close enough that her chest was rubbing against kens. "Did you say something?"