Right at the beginning Miss Yara makes 2 options very clear:1. Let her be tied up and she does whatever she wants, no safe word, no mercy.2. Leave the room.Cosmo has made up his mind, but is not sure if he has made a good choice.A hellish treatment follows. The ring is put on. So pain is a given. Then the toilet filling starts. Miss Yara makes him swallow everything. Each protest is made with threats to nought.When almost everything is swallowed, the mean mistress announces that he must now come in the spiked ring. Cosmo protests that this will be impossible. Yara confidently replies that she will see then.She imposes her will to inflict maximum pain on her victim and makes him experience the peak of pain and pleasure. A pulsating orgasm in the spiked ring.