He roars in pain when she bites, a clawed hand jerking her head back, his blood flowing freely. The pain belongs to the Father, though. To the demon it's pleasure, and only serves to enhance its pleasure. It fucks her harder, unwilling to stop at only one orgasm, watching her succumb to her own pleasure with terrifying glee. Two of his tendrils slam into her ass, and the Father groans with pleasure this time, instead of pain. She's his first, not just as a demon, but his first woman. He's as much a victim as her, overwhelming by the sensation of their bodies moving against each other.