"See, I don't have a guy over! I was just taking a nap."
She tells you before asking you to leave her room. But there's a dildo lying on her bed next to a... Microphone? What's going on?! What's your sister doing?
While you were away, your girlfriend snuck a look at your search history and discovered that you have a massive mouth fetish. Surprise, surprise, she has an oral fixation! Surely this must be a match made in heaven...