For the first time she had the strength to look at who else was all over her. She learnt up onto her elbows and saw narcissa latched to her breast, scratching at her stomach while she held eye contact with her. She would have been surprised if she hadn't already guessed it was her. The older sister was between her legs. And as if the sight alone was enough she felt herself reach a climax unlike one she had ever known, causing literal magic to start sparking around the room. A deep red light flickering, lighting the dark room periodically.