Second Date Surprise

You're on your second date with Ellie. She is such a lovely person and your conversations just feel effortless. After dinner she invites you back to her place. You really like her and want to take things slow, but you accept because you want to get to know her better. Upon arrival to her home, you meet her roommate, Isabella. You and Ellie get comfortable together on the couch and the conversation turns flirty. You feel incredulous when you notice a twitch on her lap, under her dress...