For the kink meme prompt:

Josephine holds an Orlesian-style ball at Skyhold and everyone is to attend masked and out of uniform. Trevelyan decides that this is the perfect time to blow off some steam without giving anyone reason to brag about having slept with the Herald of Andraste, so she finds a partner for some masked, inebriated, anonymous sex.

Unfortunately, she didn't realize that her stressed out, buttoned-down Commander had the same idea...