Change Sarah's behavior. Make your mother and sister want to have lots of babies.

The thought of making your slutty sister giving up her virginity to you, made your cock twitch. Even more arousing is the idea of having her relentlessly pregnant each year. But your sister's suggestion to have your sexy mother carry only child per year doesn't suit your interest. You belive your sister only made the suggestion due to safety reason, but that not going to stop you from having fun.

For right now, you're going play along with your sister and take her to virginity.

You look directly at your sister on the bed. Her luscious soft-breasts and wide-ass is completely exposed to you. You couldn't believe how well developed your sister's body has grown over the years. You haven't seen her naked since showering together at age five. She's like a younger version of her mother in every aspect.

Your sister put on silky white t-shirt, but still remain completely naked to tease you. She wants to make her first time enjoyable without much obstacles getting in the way. Your sister lack of clothing works effectively, as the temptation drove you insane with lust.

Your sister gave you a seductive smirk. Giggle. "Ummm...bro, I'm all ready to lose my virginity. I feel so fucking horny right now and I can't believe I'm going to be knock up by my brother." She looks deep into your eyes, as it shows signs of encouragement. "Breed me like an ****-slut Adam! I don't care about waiting for marrage, just fuckkkk me!"

You can't contain your excitement any longer, as your sexual needs demand you to ravish her body. You push her on the bed and got quickly on top of her. "Damn Sarah..you're one sexy slut! Since I lost my virginity to mom, I'm going to take yours!"

Sarah uses her fingers to open her vagina, as you slide your hard cock deep within her. Your sister gave out a slight moan, as your cock completely enters her soaking-drench cunt. "Ughh...bro, go slow...we got all night! But god, your cock so big inside me. Just keep going, don't worry about breaking my hymen!" She tilts her head and whimper softy. "Ughhh, having my brother's sperm entering my ovum is so fucking sick, but it feel so goodd!!!"

You forcibly pump your cock in and out her vagina. As the sensation drove you wild, you rapidly speed up your moments. "Don't tell me to go slow, you teasing little slutttt!!! Ughhh... your pussy feels so fucking good!" You moan out loudly. "This is all your fault for being an easy whore. So, I'm going to fuck you stupid in that particular manner!"

The contraction of her vagina wall is gripping your cock deep inside her. You can feel the wetness of her vagina fluid on your pulsating cock. Your sister's cunt is completely different from your mother. It's extremely tight and build like a vacuum. On your mind, her pussy only good for one thing..to be used until she hit 'menopause'.

You grunt loudly, as you pump harder and harder inside her pussy. "Sis...I'm going to spew any moment. Tell me where you want my cum, you needy little slutttt!"

Sarah's sweating and her breathing became heavier. Her own sexual orgasm is building up. "Cum inside my pussy little brother...fill up your nineteen year old sister pussy. Gawd...I want your **** baby!"

That's all you needed to hear from Sarah's, to push you over the edge of climax. You repeatedly erupted inside your sister's vagina. As you briefly held your composer, you erupt a few more rope inside her fertile womb, ensuring your sister recive a high chance of conciving an **** child.

As you pull your cock out, you can hear a sound of her cheery popping. You're exhausted but yet very satisfied with the recent sexual activity. Now it's time to use your mind control again on your mother and sister.

You got your mother and sister in the living room, then focus your ability. "Mom, Sarah. Listen to me very carefully. You all want a large family, and will not be jealous of each other or selfish toward one another. Matter of fact, you'll encourage each other to be pregnant each year."

Adam looks at them evilly and now decide to put the finishing touch. "Mom, sis. If you're not pregnant within a month. Go on fertility pills, and make sure you take enough to conceive a minimum of quadruplets..You all have to urge for multiple pregnancy, but by some chance you end up with eight babies or more. You won't get an abortion when that type of actident occur. Do you understand?"

Jessica and Sarah nod their head simultaneously and reply expressionlessly. "We understood your request to be constantly impregnate each year, Adam."

Adams grin happily. "Excellent you sluts. Now when I snap my fingers and count to three, you'll be out of this trance."

snapping fingers. "1,2,3"

They return to normal and feel enthusiastic about their new behavior. You test out your ability to see if it works and ask your sister a question. "Hey sis, you don't mind if I knock mom up, do you?"

Sarah smile cheerfully and gave an encouraging reply. "No big brother, I don't really mind at all. If you ask me, I want you to impregnate us every year! I'm sooo ecited to be a mother and an aunt!"

Your mother looks at Sarah with approval. "Ohhhh...That would be fucking hot Adam. I'm going to be a mother and grandmother! Ohh yes, I agree with your horny big sister."