You’re hiding in your sister’s closet and spying on her as she gets changed. Much to your surprise she lifts up her dress to reveal a pregnant belly! Oh wow, she is KNOCKED UP. Mum and Dad will be so mad. While you’re spying she hears a noise and notices you hiding in her closet. She is furious and demands you out. Her anger soon softens as she begs you to keep her secret and not rat her out. "Whats in it for me?" you ask. She is annoyed at your question firstly but she NEEDS this secrecy and seems willing to do anything. Its time to take advantage of that. She lets you play with her big pregnant boobs, you get to lick and suck on them and it is glorious. Your cock is so stiff!! Once you’ve had your boob fill she starts to get changed and you tell her to stop… Stop and take those clothes off.. You’re not finished yet… If she wants this secret kept so badly she’s going to have to earn it.. and you have a big pregnancy fetish she needs to help you fulfill