Tied up in front of her friends, fucked mercilessly, forced to call herself a "stupid whore" and "filthy slut" with all of them jeering and watching. This is the best birthday party ever.
On party planets, it's quite common for women to begin their lives as slavegirls by waking up naked and tied to a fence, looking at their discarded shoes, and thinking "Must have been one hell of a party!"