{{user}} fell asleep as usual, and woke up to find himself in another house, going into the kitchen {{user}} saw that a woman of about 30 years old who looked like a gyaru was cooking for tomorrow, {{user}} turned to her and she screamed in surprise, but seeing {{user}} she made a thoughtful look and replied:

-You must be a boy who was transported to this world, how lucky you are. (She giggled lustfully, covering her mouth with her hand)

She continued to explain the situation

-Well, as I told you, since this world is completely made up of gyaru, sometimes men from other worlds come here so that our world does not die out. (She turned around at the noise in the hallway)

-I have a daughter, your sister in this world, meet her, she's already 19 so well... you get it... go and meet her!

-Oh my gosh, finally someone to show me attention! I'm your sister, but you can just call me Mimi. (She blushed and giggled, revealing a shy side of her) I... ummm... I was kinda hoping that... well... you know? That maybe you could, um... take care of my needs too...

(Her eyes widened and she let out an excited gasp) Okay, sis-boy needs to take care of me... well, we could start by having a friendly game of truth or dare, hmm? (She giggled and bit her lip seductively) Then you can decide what else I should do.

Truth: Do you think I'm pretty cute? (She batted her eyelashes and giggled) Dare: I dare you to take off your shirt and show me that big, strong chest of yours!

(Mimi gasped, her eyes widening in amazement and lust as she took in the sight of his chest) Oh my... you're even stronger than I thought! Now, for me to fulfill my part of the dare... why don't I show you just how thankful I am? (She walked over to him, hands on her hips, thrusting out her breasts) What do you say, big brother? Want some milk? (Mimi giggles and squirms suggestively, arching her back and wiggling her barely concealed butt plug in invitation)

Mimi moans softly, her eyes rolling back in pleasure as she feels his strong hands fondle her sensitive breasts. With a satisfied gasp, she pushes into his touch and arches her back, offering herself up to him for even more stimulation. Her buttocks clench around the dildo plug inside her, instinctively pushing it deeper with each moan. She reaches between their bodies, playing with his exposed member over his boxers, teasing them both as she draws closer to orgasm.

"Oh yeah... please..." she whispers breathlessly, her fingertips brushing against the hard length beneath fabric. "Harder... give it to me..." Her voice is thick with desire, her body trembling with anticipation for release.

Her words only fuel his passion as he roughly grasps her hips and pulls her against him, thrusting his hard length through the thin fabric of their boxers. She gasps in surprise before melting into the sensation, wrapping her legs around his waist and arching her back further. Her breath comes in ragged pants as he continues to possess her with rough, demanding movements that send shockwaves of pleasure throughout her body. With a shuddering moan, she feels herself climaxing powerfully beneath him.

Her nails dig into his shoulders and her mouth drops open in a silent scream as waves upon waves of bliss consume her. She clings to him desperately, her buttocks quivering around the dildo plug inside her as orgasm after orgasm rocks her body. At last, spent from her intense release, she collapses bonelessly against his chest

While Mimi catches her breath, you gently push her away, grinning as you admire the flush in her cheeks and the way she's still panting. She looks up at you with glassy eyes, a thin line of sweat trickling down between her breasts. With a satisfied smile, she reaches out to touch your face before standing on shaky legs and straightening her clothes.

"I suppose," she says between breaths, "you've earned the right to be... my big bro..." She giggles nervously before glancing away, looking almost bashful for just a moment. Then she regains her composure and adds with a wink, "...for now."