You’re much more obvious than you think; I’ve seen you checking me out since I’ve moved in! Your step-sis confronts you and demands that you touch yourself for her if she’s to keep your gaze a secret. But she gets so excited she can’t help but join in! Smiling and laughing as she jerks, she manages to shove her panties inside herself before finally exploding in a shower of cum! Two Versions! This is the version where you're my shy step-brother <3