Bellatrix watched with wry amusement as her little sister seemed alarmed at her “predicament”. Having helped Narcissa’s already raging hormones along, Bellatrix had expected nothing less. Seeing her fall from the chair when she slid a finger inside herself required Bellatrix to suppress an evil giggle.
However, despite her amusement, Bellatrix was quickly beginning to feel something else. Reaching down, she hiked up her long dress. Feeling the front of her own knickers, she knew why they were wet.
Sliding a finger up and down her folds, she caressed them through the thin, wet cotton. Finding her clit, she teased it with her nail and shivered. Being one who was good at keeping quiet, Bellatrix had no trouble this time as she watched from her hiding spot.
Reaching down into her knickers, she began to stroke her clit wanting to climax while her sister was still naked. Biting her lip, nearly drawing blood, she came without a sound.
Settling back down, Bellatrix watched from her vantage point as Narcissa took a long time to drift off to sleep. She could tell that Narcissa’s dreams were filled with erotic sights. Seeing her nipples poking through her nightgown when she kicked the blankets away only confirmed that.
Leaving her hiding spot, Bellatrix made her way to Narcissa’s room. Opening the door, she pointed her wand at the top of the canopy. “Accio panties,” Bellatrix incanted softly. She caught the knickers and quickly tucked them away.
Slipping inside, she stepped up to Narcissa’s bed. Shaking her softly, Bellatrix’s voice was soft yet stern. “Narcissa. Narcissa.” She waited for her little sister to wake up. Hopefully, their wretched mother had gone to bed…