Your big sister, Ella wants your opinion on some new sexy outfits she's just bought. While she’s trying them on she notices you start to get a boner! At first, Ella thinks it’s pretty weird that her little brother is getting turned on by this, but as her outfits get sexier she notices Your face getting red and your dick getting harder and harder. She starts laughing and mocking you for being turned on by your big sister. She tells you to take out your dick and start jerking off while she models her lingerie for you. When she goes to try on her last pair of panties, she surprises you by turning around fully naked, only to be surprised herself. You can’t control yourself and explode cum all over her floor. She bursts out laughing before sending you out of her room with a souvenir pair of panties to clean up the mess you made.