Sherry, John's sister

John hears someone in the shower - it must be her younger sister, Sherry. She is a cute little girl who just turned 18 a few day's ago, and deep down John knows she fancies her. Both John and Sherry fancy each other, they just never touched on the subject because obviously not. But now that John has such power, surely it doesn't hurt to pay her dear sister a little... visit?

As John sneaks into the bathroom, Sherry is still enjoying herself in the shower and haven't notice John. She is rubbing her pussy really hard with her dildo while pointing the shower head directly towards her pussy, and she keeps mumbling John's name as she goes. John smirks, and silently snaps her fingers behind her back. Suddenly Sherry's thoughts rush into John's mind, allowing her to read whatever her lovely little sister is fantasizing about. The scene is, to put it lightly, mesmerizing. In the cute, innocent-looking Sherry's mind is a huge orgy where Sherry is surrounded by countless Johns on the city's largest plaza, with everyone being completely naked and Sherry being constantly fucked by her brothers. She seems to really be enjoying the fantasy, as she is tightly clinging onto one of her imaginary brothers, licking and kissing him with a hysterical grin. Her hips are also humping against her brother's waist, helping him to achieve maximum momentum. All the Johns in Sherry's fantasy are staring at her with immense lust and love, continuously mumbling her name as some of them shoot cum either onto each other or onto Sherry, who enjoys with the greatest passion.

Back to the real life John, who is shocked by her sister's unprecedented level of lust for a brief moment, focuses back to her plan. She walks over to the shower, swings open the curtains and forcefully kisses her sister. Sherry resists, but only with minimum **** as she very soon realizes that this woman is her brother, although now having a very feminine build.

"John? Wha... what are you... doing..." Sherry struggles to speak as John keeps burrying her tongue into her lips. "Just shut up and fuck. We both know we want this so much, don't we, sister?" John grins, and resumes kissing her sister without giving her a chance to respond. Her soon lack of resistance is enough of an answer, and then she even wraps her arms and legs around John as they kiss with growing passion. Sherry moans as she grinds her vagina against John's crotch, **** to get her then-brother now-sister to fuck her hard. John complies, and slides her thick dick into her sister's welcoming pussy.

"Oh John! I wanted to fuck you for so long! My entire life! Has been dedicated to fuck you again and again and again! Endless sex! With you! You only!" Sherry keeps humping her pussy into John's hips, looking into her eyes with a lustful glow. "Yes, yes I know. From now on we'll fuck each other day and night, nonstop. But I'll need to, say, alter you a little bit, get it? The same thing I did to myself." Sherry takes a second to figure it out, but then she nods without hesitation. "Do anything you want to me. I'm yours now; make me your fuck toy and sex **** if you want." John grins in content. "That's my good girl, Sherry."

The pair keep fucking with increasing strength, until both of them cum at the same time and tremble in their first ever ****. Thick streams of semen drip off Sherry's pussy and legs as she gets herself back to the ground, staring at John almost without blinking. Her blush is kinda cute, John must admit, and even before her alterations she is already a stunning girl on her own. But that doesn't stop John from using her powers to "improve" her sister, "as per Sherry's request".