A loli body, a mature woman's heart—this is the true description of Ai Haibara.

"Tsk~"

Yukiko smacked her lips as if she had thought of something.

It seems the younger brother particularly likes this kind of vibe.

She's just a loli, Yukiko Fujimine would do too!

She can be both sweet and sassy, ​​assertive and submissive, cute and mature—she can pull off any style!

As an international film queen, that's how confident she is!

Thinking of this, Yukiko's eyes suddenly lit up. She skipped and hopped to the bathroom door, peeking half her head in: "Nannan~ Do you want Mommy to scrub your back?"

While running the water and texting on her phone, Yu Sheng Nan looked at the half-head peeking in from the bathroom door and smiled helplessly: "Mother, you're setting a bad example for the children."

"What's the big deal?" Yukiko blinked her big eyes and said in a sweet voice, "Isn't it normal for a mother to rub her son's back?"

As she spoke, she winked playfully, and her innocent expression, paired with her eternally eighteen-year-old face, was perfectly natural.

Outside the bathroom, Ayumi tilted her head: "But the TV said that boys can't bathe with their mothers anymore when they grow up..."

Ai, sitting on the sofa, changed the channel expressionlessly: "Some people aren't even as good as television."

"Oh dear, is Ai-Ai jealous?" Yukiko chuckled as she retreated to the living room, hugging the haughty little girl tightly and kneading her cheeks like dough. "How about I help you wash them?"

"No need." Ai struggled to escape from Yukiko's clutches, tidying her messed-up hair, her little face full of disgust. "I can do it myself."

"So uncute~" Yukiko pouted, then turned to Ayumi, "How about Ayumi-chan takes a bubble bath with me? I can braid your hair into pretty braids!"

Ayumi blushed slightly: "I... I can wash myself..."

"Sigh, kids these days are so precocious..." Yukiko sighed, feigning sadness, and placed a hand on her forehead as if in distress. "Back when I was that age..."

"Still wetting the bed?" Ai suddenly interrupted, her eyes still glued to the TV screen.

Yukiko: "..."

When Yuzuru came out of the bathroom, this was the scene he saw: Yukiko was glaring angrily at Ai, Ai was calmly watching TV, and Ayumi was looking around blankly.

"The water's ready, who wants to wash first?" he asked.

"Me!" Yukiko immediately raised her hand, then her eyes lit up. "But it's so boring to shower alone... Nana, do you want to come with me?"

Yuzuru: "......"

Ayumi suddenly raised her hand: "I want to shower with Ai!"

Ai: "?! I don't want to!"

"It's settled then!" Yukiko pushed the two little girls into the bathroom without further ado. "It's perfectly normal for girls to bathe together. They can scrub each other's backs and whisper secrets~"

Five minutes later, Ayumi's cheerful voice came from the bathroom: "Ai, your skin is so white!"

"......Shut up."

Wow, your hair feels so nice to touch!

"Don't touch me."

"Ai, why are you clutching your chest?"

"......"

A sharp tongue but a soft heart—that perfectly describes a tsundere loli.

Meanwhile, in the living room, Yukiko, like a cat, silently climbed onto Hanyu Nanasu's back and whispered in his ear, "Naughty little brother~"

Her voice was extremely low, with a seductive tremor, "Can I borrow your dress-up camera for a bit?"

"Huh? What are you going to do, dear sister?"

As Yuzuru spoke, he casually summoned a camera for changing clothes.

Yukiko took the camera and winked playfully, "You'll find out later, it's a surprise~"

She winked mysteriously and put a finger to her lips, saying, "Don't peek!"

"Then I'll be waiting to see!"

Yuzuru smiled slightly, joining in his good sister's antics.

He knew all too well the international film star's mischievous nature, but she always managed to bring him new "surprises." Although these surprises sometimes left him both amused and exasperated, he still thoroughly enjoyed them.

After the two little girls finished their bath, Yukiko enthusiastically pulled them into a pillow fight, while Nanami Hanyu acted as the referee and recorded the joyful scene on her phone.

Before going to bed, Ayumi was still reminding them not to forget to wake her up at 11 o'clock to watch the Kamen Rider preview.

However, she was destined never to fulfill this wish.

With Conan, the Grim Reaper, around, the Phenomenon Institute is destined to be anything but peaceful tonight.

Fortunately, Yuzuru had made arrangements in advance.

He lost one of Yukiko's die-hard fans in Osaka that time, and this time he's going to make up for it by getting back one of his older sister's fans.

...

It was late at night.

Ayumi was already fast asleep, and Ai was also pretending to be asleep.

Once she was sure the two little girls were asleep, Yukiko tiptoed off the bed and picked up the changing camera from the table.

A beam of white holy light shone in the darkness and then faded away.

Yukiko, with her bare, snow-white feet, treads lightly on the soft carpet, each step as silent as a cat's.

Through the faint light filtering through the curtains, I could see her completely new appearance—

Those signature big blue eyes looked even rounder now, with the corners drooping slightly, giving them an innocent, childlike quality. Her pink lips were slightly pouting, like a spoiled little girl.

Her originally mature and charming long wavy hair was transformed into fluffy double ponytails, swaying gently with her movements.

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