Wake up early and purchase the Sister Synergy upgrade before anyone else is awake

You stir awake in the pre-dawn darkness, nestled between two warm bodies. Rick's heavy arm drapes across your waist while Rebecca—now 'Becky'—snores softly against your shoulder. Through the floor-to-ceiling windows, London glows in the purple-blue light of early morning.

You carefully extract yourself from the tangle of limbs, holding your breath as Rick mumbles something incoherent before rolling onto his back. Your enhanced breasts bounce as you tiptoe naked across the plush carpet, searching for your phone.

You spot it on the bedside table where you left it last night. The screen glows pink as soon as you touch it, casting an eerie light across your freckled face.

"Morning, sleepyhead!" Becky the AI chirps, her cartoon bimbo avatar bouncing excitedly. "Ready for some super special sister time?"

You glance nervously at the bed where real-life Rebecca sleeps, her transformation into 'Becky' nearly complete after last night's taboo activities.

"The Sister Synergy upgrade is ready!" the app announces. "Only 45 Babe Bucks to make that special bond permanent! She'll be your bestie forever!"

You bite your lip, hesitating for only a moment before tapping 'Purchase.' A confirmation screen appears: "Warning: This will create an unbreakable biochemical bond between you and Rebecca, permanently solidifying her transformation into 'Becky.' Are you sure?"

Your finger hovers over the 'Confirm' button. A tiny voice—what remains of your original consciousness—screams in protest from some distant corner of your mind. But your transformed brain, with its reduced IQ and enhanced bimbo instincts, sees only the advantages of having a permanent sister-slut to share everything with.

You tap 'Confirm.'

"Upgrade processing!" Becky the AI squeals as the phone suddenly warms in your hand. "Sister bond activating in 3...2...1..."

A wave of dizziness washes over you, not as intense as your original transformation but noticeable nonetheless. At the same moment, Rebecca stirs in bed, her body arching slightly as she moans in her sleep. A soft pink glow briefly illuminates her skin before fading away.

The app chimes: "Upgrade complete! Sister Synergy activated! Babe Bucks remaining: 10"

You set the phone down, feeling a strange new awareness of Rebecca—no, Becky—even from across the room. It's as if you can sense her emotions, her desires, almost like an extension of yourself.

You creep back to bed, sliding between the sheets just as the scent of coffee and bacon begins wafting through the apartment. Rick is no longer beside you.

In the kitchen, Rick moves mechanically between stove and counter, his broad back tense as he flips pancakes. He's wearing only boxers and a t-shirt, his hair disheveled. When he turns to grab eggs from the refrigerator, you catch sight of his face—drawn, troubled, eyes shadowed with what can only be guilt.

The sizzle of bacon covers the sound of your approach, but he startles when you wrap your arms around him from behind, pressing your enhanced breasts against his back.

"Morning, Daddy," you purr, rising on tiptoes to kiss his stubbled cheek.

"Jesus, Ashley," he mutters, tensing before forcing a smile. "Didn't hear you get up."

"Smelled breakfast," you explain, reaching past him to snag a piece of crispy bacon. "Mmm, so good!"

Rick's smile doesn't reach his eyes. "Thought I'd make breakfast for my... for you girls." He hesitates on the wording, guilt flashing across his face. "Listen, about last night—"

"Last night was amazeballs," you interrupt, twirling one pigtail around your finger. "Best night ever!"

He sets down his spatula, turning to face you fully. His expression is troubled, his voice low and serious. "Ashley, what happened with Rebecca... with my daughter... that can never happen again. I was drunk, we all were, and I—"

You place a finger against his lips, giggling. "Shhh, Daddy. Too early for serious talk."

Before he can respond, a sleepy voice calls from the hallway. "Do I smell bacon?"

Rebecca—now permanently 'Becky' thanks to your morning purchase—bounces into the kitchen. Her transformation is subtle but unmistakable. Though physically unchanged, her entire demeanor has shifted. The sophisticated executive is gone, replaced by something girlish and simplified. She's wrapped herself in one of Rick's shirts, her hair tousled from sleep.

"Daddy made breakfast!" you announce excitedly.

"Ohmigod, yummy!" Becky squeals, clapping her hands together. She darts forward to kiss her father's cheek, completely unbothered by the boundaries they shattered last night. "You're the best daddy ever!"

Rick's face cycles through confusion, guilt, and resignation as he watches his once-sophisticated daughter bounce around the kitchen like a teenager, perfectly matching your mannerisms and speech patterns.

"I made enough for everyone," he says carefully, eyes darting between you and his transformed daughter, clearly struggling to reconcile last night's passion with the morning's guilt.

08:05 | Sunday 3 Aug 2025 | Rick's Penthouse, London