In an Act of sadistic pleasure, you deny her... She drooled and stuck her tongue out. Getting close to orgasm over and over but stopping just shy of orgasm.
She simply obeyed until she was ordered to cum. Ribbon's mind was only focussed on orgasming so by this point she would obey anything. You type into her Brain:
"Obey and I'll let you cum."
She gritted her teeth as she heard this. This was her chance... She nodded Obediently.
"Yes, I'll obey."
And with that~ what do you do now?