That's what a personal assistant is for, to always be there when the boss wants her to be. And to do what he demands. This man wanted to relieve the tension - the assistant was at hand, without hesitation and took advantage of her. According to her cries and sighs conclude - this is the work she likes!
Looks great ass close-up lady, in close-up position such a lady is just not worth the price! Although her breasts are also worth screwing around with her.