Sophie's mouth fell open. She pushed back before she could stop herself, taking the first knuckle, then froze when she realized what she had done. The heat of her closed around my finger, tight and fluttering. I did not move deeper. I just held there, letting her feel the intrusion, letting her walls pulse around the intrusion like they were trying to decide whether to push me out or pull me in.
"Dad," she said again, and this time it sounded less like a protest and more like she did not know what else to call me. Her hips rocked once, shallow, fucking herself on the tip of my finger without meaning to. "It's… it's too much. I can feel everything."
