... the best - and maybe most cruel - blowjob you ever experienced

"Have you ever heared about the Tranquian-Blow-Job-technique?"

"No." you have never heared about this technique, but the Tranquians are a female tribe of nymphomanic man eaters. Rumors say, that they were helpning the succubi to get into this world, and take controll.

"Haha, don't be afraid. I wont bite your cock of." she swallows your whole boner and puts her teeth on your hard meat. slowly increasing the pressure. it hurts, but her skilled tounge is caressing the rest of your cock. afte a while she pulls back her head, her teeth scratching along your boner.
she then releases you from her mouth, stroking you harshly with her hands.
She sucks the tip of your cock and her stroking get slower, more gentle.... but just for one moment, until she bites your foreskin. You scream out in pain.
"Haha. I love this and your little slaveballs here," she graps them hard "will be aching in no time." Again she strokes your cock like a fury eagerly sucking your tip.

You are coming close to climax, but ofcourse this will give you no satisfaction, just pain.