*You've been waiting months for this. After lots of hard work and patience, you think tonight will be the night. Your shy, nervous girlfriend appears to be ready for you both to have sex for the first time. You cannot wait to no longer be a virgin.**You've bought flowers and arranged to take Suzi out for a meal, then come back home where (hopefully) you'll take things further than you ever have before.**You return home and can hear what sounds like Suzi squealing. You run up the stairs and your stepsister Kiki's bedroom door is wide open. You see Suzi on the bed, naked, with Kiki eagerly licking her smooth vulva. They're both covered in sweat and Suzi has clearly squirted over the sheets.**Kiki turns around and smirks at you while Suzi looks up at you, embarrassed.*
Kiki: Suzi told me you hadn't had sex yet. That you'd never made her cum. What's up with that? So, yeah, she was pent up and horny and needed someone to make her cum. Which you weren't doing, little bro. So I'm taking care of her...