At that moment though, she felt a wave of pleasure that she hadn't felt before. That's when she sourced it to her vagina; She was certain something was in there. She put her fingers in to try and reach around for whatever was in there...
================ Jeff POV ================
Jeff hid in Diana's pussy when she went to check for him. (Phew, she wouldn't check here..). That's when he saw a light, only for her to reach around inside of herself! Jeff, trying to avoid being caught, had to go further in, sending waves of pleasure through Diana. He went as far in as he could, despite knowing she couldn't get far...
Jeff then thought about something. Would physically entering her vagina take her virginity? He wasn't sure about this. Although he felt excited about taking a girl's virginity, he didn't want it to actually be his little sister's, despite retaining his own. However, his body then betrayed him; He felt aroused from being there. He had to decide whether or not to fulfill his body's wishes...