Sophia pulled the back of the collar gently and looked down at her cousin's back, sighing softly. Her eyes caught Lavender's hand movement and Sophia bit her lip. She kneeled down on the ground in front of Lavender and looked up at her face. "I'm not going to force you to talk about it if you're not ready. But I need to know who so that we can tell the aurors. I won't let them bother you," she said, her hand coming up to brush a lock of her cousin's hair. "Can you take off your clothes so I can start on your back, Lav?"