:: Don't let her get off.
<<set $rosalind.sub += 5>>"I don't think I want you to come from this," [[you|You]] say.  "This is, after all, supposed to be a punishment."  She gives a frustrated little squeak and you renew your efforts on her ass.

Not long after, the combination of the excitement of the situation and the physical stimulation on your genitals from the movement of the harness causes you to have a small orgasm of your own.
<<display "Rosalind actions">>