Secretary's shiny problem (Patreon)

This week I shall start with an idea, that's been playing out in my head for a while now. Here we have a secretary, who has a thing for shiny skin. She also grows big and buxom whenever she gets aroused.

One day at work, she had to deliver some documents to her superior and ends up riding the same elevator all the way up with the big boss, whose shiny dome is well known in the company...