In the stillness of the night, only the faint moonlight and...some unspeakable sounds remained in the villa.

The atmosphere in the Miyano sisters' room was slightly awkward.

Ai lay quietly on the bed, hugging a pillow in her arms, her icy blue eyes gleaming with a complex and elusive light in the darkness.

The intimate sounds coming from the next room, like threads, penetrated the walls and clearly reached her ears—

"Hmm... Nan-jun..."

"Hehe, Xia Mei, show me the courage you had just shown..."

"Ah...this is different..."

Ai: "..." (She grips the pillow tightly with a blank expression)

Akemi lay on her side on the bed, elegantly resting her chin on one hand, watching her younger sister's reaction with great interest, a mischievous glint in her eyes: "Ai~"

"what?"

Ai's tone was indifferent, but the tips of her ears were slightly red.

"You wouldn't be... jealous, would you?" Akemi asked with a mischievous smile, deliberately trying to tease her younger sister.

"Who, who would be jealous!" Ai immediately bristled, her voice unconsciously rising a few decibels, but then she realized the surroundings and quickly lowered her voice, her eyes revealing a hint of panic and embarrassment, "I just think... it's too noisy!"

Akemi gave a meaningful "Oh~", deliberately drawing out the tone: "I see~"

Enraged, Ai grabbed a nearby cushion and threw it at Akemi, yelling, "Sister!"

Akemi easily caught the cushion, laughing even more heartily: "Okay, okay, I won't tease you anymore~"

She gently put down the cushion, leaned closer to Ai, and whispered, as if sharing a little secret, "But... Miss Natsumi is really brave, going straight for it~"

Ai scoffed, "Shameless..."

However, her gaze unconsciously drifted to the wall, as if she could penetrate that barrier and see what was happening in the next room.

For some reason, her heart began to beat faster, and a strange heat welled up from the bottom of her heart and spread throughout her body.

"..."

She instinctively squeezed her legs together, her fingers unconsciously gripping the sheets, and her breathing became somewhat rapid.

Akemi keenly noticed her sister's unusual behavior, a sly glint in her eyes: "Ai~ you wouldn't happen to be..."

"I don't!"

Ai immediately denied it, but her cheeks turned even redder.

Akemi grinned mischievously and leaned closer again, whispering in her ear, "Do you need any help from your older sister~?"

"!!!"

Ai instantly bristled, shoving Akemi away as if she'd been electrocuted, her face filled with shock and embarrassment: "Sister! What...what are you saying?!"

Akemi blinked innocently: "I mean, should we go to the kitchen and get some ice water to cool down?"

Ai: "..." (gritting her teeth)

That mean-spirited older sister!

She angrily rolled out of bed, took another blanket from the closet, and wrapped herself up tightly like a frightened hedgehog. With her back to Mingmei, she said irritably, "I'm going to sleep! Don't talk to me!"

Akemi watched her younger sister curl up in a ball like a cat with its fur standing on end, and couldn't help but chuckle softly. The laughter echoed gently in the darkness: "Okay, okay~ Goodnight~"

She turned off the lamp, plunging the room into darkness.

Only a faint moonlight filtered through the gaps in the curtains, casting dappled shadows on the floor.

However……

The sounds from next door continued intermittently. Yuzuru's deep breathing and Natsumi's sweet moans intertwined, like an invisible net spreading wildly in the quiet night, exceptionally alluring.

"Xia Mei...your voice...is so beautiful..."

"Waaah... Nan-jun... please, please stop..."

Ai: "..." (buries her face in the pillow)

Akemi: "..." (silently turned over)

The two sisters lay back to back, neither of them speaking, but in the darkness, their heartbeats seemed to intertwine in the invisible air, telling of their complex emotions.

I don't know how much time passed...

Akemi sighed softly and whispered, "Ai..."

"..."

"How are you?"

Ai didn't answer, but a slight tremor came from under the covers.

Akemi hesitated for a moment, then turned around and gently hugged the "blanket roll," comforting her tenderly, just like when she was a child: "It's okay... I understand~"

Ai's muffled voice came from under the covers: "...Stupid older sister."

Mingmei couldn't help but laugh out loud, but the next second, she also caught her breath because of the sound coming from next door, and a blush spread across her face.

…

As night deepened, the moonlight shone like water.

That night, some got what they wanted, while others were left with unsettled feelings.

But in any case—

The Yuzuru family's villa has gained a new member.

...

In the early morning, sunlight streamed into the bedroom.

Natsumi Kosaka slowly opened her sleepy eyes, her gray eyes still carrying a hint of drowsiness, like a deep pool shrouded in mist.

She subconsciously shifted her body slightly and immediately felt the warm, large hand around her waist and the firm chest pressed against her back, with a steady and powerful heartbeat.

Memories flooded back—last night's initiative, the confession, and those blush-inducing, heart-pounding scenes that followed...

"I've really... become Nan-kun's..."

She whispered to herself, recalling the madness of last night, and Xia Mei's cheeks instantly flushed with a delicate blush. But then, as if she were carrying some little secret, she quietly turned around and looked closely at the sleeping boy.

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