Hanging frontal wedgie

You wake up to your clit in more pain than it was when you passed out! Looking down to investigate why, you found that the robot had forced panties back onto your body as it bounced you up and down, grinding the fabric into your sensitive, aching clit.

"You're starting to bruise a bit down there, so after one more big bust, you will be let go," you hear Sara say and fear fills your body. You didn't want to know what she had planned.