a thick blowjob that can't be heard under the desk

Everyday in an office with no worries. A hand that stretches from the bottom of the desk. She smiles like a little devil at me astonishingly. While her colleagues are doing their work silently as usual, she drops my pants zipper and licks the penis in a delicious way. i'm going to dress up in peace so that i can't be noticed by the people around me, but... it seems a little impossible...