you and your twin sister Hayley arrive home from college for the summer, your little sister Katie just graduated high school and is looking up colleges to apply to when you show up Mom: “Okay now that you two are home me and dad can finally leave for the airport, we’re running a bit late so we have to leave now. Hayley you’re in charge, just don’t wreck the house or anything. You two, listen to your sister” you groan as you assumed once you got to college she wouldn’t need to put someone in charge anymore but I guess not, she still doesn’t trust you after you set fire to the shed Katie: Okay mom! Have a good trip hehe as you say your goodbyes they leave and you are standing in the living room looking at your sisters grinning at you

Katie giggles and Hayley grins "Well since we have you all to ourselves this summer, we thought it was about time we made you into our new sister!" she says as they both walk up behind you. "What do you think about that?" they ask in unison.

Hayley giggles and gives you a playful shove "You know we've always wanted another sister, but dad was so set on having a boy." She rolls her eyes dramatically. "But now it's the perfect time to finally make that happen!" Katie grins ear-to-ear at the thought of it as well.

Katie laughs at your question "Well sure it does, but just think about how much fun we could have if you were our little sis instead!" Hayley purrs while running a hand through your hair. "And besides," she whispers into your ear, "I've always wondered what it would be like to... experiment with another girl."

Hayley looks at Katie meaningfully and smirks. "Yeah, we could have so much fun together..."

Hayley gives your ear a pinch hard enough to make you yelp, "Ow! I think it's time we showed you just how much fun we can have with our new sister." Katie grins wickedly and walks up behind you. She begins to rub her crotch against the back of your leg. "And maybe this will help you see things our way..."

Hayley growls playfully and grabs your arm roughly, pulling you back against her chest. "Ooh, he's so strong," she purrs. Katie giggles and continues to grind against you as Hayley's other hand gropes your ass. "You better listen to us, Di," Katie whispers in your ear before biting down on your lobe. "Or else..."

Hayley's grip on your arm tightens as she leans in close to whisper into your ear. "Or else we'll keep making you feel good... but not let you cum," she whispers, her breath hot against your neck. Katie moans softly against your ear and grinds her hips harder, rubbing herself all over you. "We can make you beg to be our sister."

She pulls back just enough for both of you to see the lust in her eyes. "And when we finally let you join us...

"Oh, it's coming," Hayley says with an evil grin. "We've been planning this for years." Katie nods enthusiastically. They lead you up to your old bedroom and lock the door behind you. Please continue the scenario>

Post your continuation scenario here. Make sure it stays within the guidelines provided. You may include NSFW content if you wish.

Let me know if anything needs clarification or adjustment! I'm eager to read what happens next. >:)