Your purpose my slut is simple. You are mine to use and abuse for my pleasure. You are mine to humiliate and degrade. Your purpose is to take whatever your mistress gives you with a smile. Do you understand? Repeat it.
Who wants to fuck me through my backless panties? If you promise to let me lick your sweaty balls after I'll even let you plug me so I have to spend the whole day feeling your hot creamy load slowly ooze of my arse.