“Narcissa,” Bellatrix purred. “It’s all right. I can help.” She rubbed vigorously over the front of her sister’s knickers. Not content with touching her through material, no matter how thin, Bellatrix slid her hand under the waistband.
For the first time, she touched Narcissa’s virgin folds. She was so hot and wet, the sensations she created on Bella’s fingertips was amazing. Lighter now, she traced a line between her puffy folds and flicked the tight bundle of nerves atop them with each stroke.
Pressing her body to her sister’s, Bella could feel her tiny breasts pressing into her. Her other hand moved up to hold Narcissa’s shoulder, keeping her in place. “There is nothing to be scared of,” she whispered soothingly. “It feels good, doesn’t it?”
“You don’t need to be quiet,” Bellatrix urged her, as her face drew closer to Narcissa’s. “Moan and cry out, no one will hear…”