"Nini, let me rub your back for you!"

The sister's excited voice came from behind her, followed by the muffled sound of bare feet happily stepping on the floor and splashing on the water stains.

The sound of approaching footsteps was like a hammer hitting Nakano Shinyu's heart, making his heartbeat beat faster in an instant.

Masuke Nakano was scrubbing his hair for a while, but he couldn't open his eyes for the time being because of the foam.

"Nanako, it's not that it's forbidden..."

"Nini, don't... Don't turn your head, this picture, even if it is seen by Nini, I... I'll be shy, too..."

"Uh..."

He was about to turn back, but he suddenly stiffened.

What does this phrase mean?

Don't...

Although it is also possible that my sister is joking, but in case it is really ...

At the moment when he froze, a soft little hand suddenly appeared on his back, and there seemed to be a slippery shower gel on his hand.

The feeling of the cold body wash on the skin on the back.

It made Nakano Mayu tremble for a moment.

The cold of the shower gel and the touch of my sister's warm and soft palm.

He instantly transformed from a body of flesh and blood into a body of steel.

My whole body stiffened.

It's stiff and hard...

"Dish... Nanako, don't make trouble, hurry up and get out, I can wash it myself! ”

"Nini, we haven't been together for a year... Isn't it okay to deepen your feelings after a long absence? ”

"The Point Guard Is Here"

My sister's voice was not as crisp and tactful as usual, but became a little soft and pitiful.

Some are biased towards the glutinous feeling of the quail senpai, but it is not as natural as the quail senpai.

"Nanako, if you continue to make trouble, brother... My brother really will, I'm angry..."

"Humph!"

The younger sister snorted lightly, and said with some anger in her mouth:

"Nini goes out all day with wild women outside, but refuses to do some parent-child activities with his sister to strengthen the brother-sister relationship? Then my brother will kick me out himself..."

"You!"

Mayu Nakano choked for a moment, not knowing where to start retorting.

The main thing is that if my sister is in a state of 'no armor' now, she can't turn around no matter what she does.

Unless I can ensure that I close my eyes at the same time, I will kick my sister out on the premise of not touching other delicate parts of my sister in this narrow bathroom...

But if it's a quail senpai, he is still sure, but although his sister's skills are a little weaker than himself, it can't be solved so easily.

So at this time, he was also caught by his sister at the weakest opportunity, and he was in a dilemma.

"Shhhh

As his back was covered with an icy shower gel, he subconsciously gasped, and his voice became low:

"Nanako, I'll do it myself, too... It's too icy..."

"Of course, this is the credit of keeping it in the refrigerator for a while, it's very comfortable, Nini?"

"Huh?"

Mayu Nakano was a little confused.

Can this thing still play like this?

The most important thing is, where did my innocent and innocent sister learn this strange knowledge?

"Shhhhh

Soon, under his silent and non-resistance strategy, his back was covered in all directions by a slippery cold shower gel.

Followed by a warm and playful 'girl idol', slowly singing and dancing from behind to the front.

"Smack!"

But it's a pity that the experience of 'girl idols' is obviously not as rich as that of 'male idols'.

Before he got close to the forbidden place, he was caught by Nakano Shinyu.

"But... It's okay to eat Nanako, I'll do the rest myself..."

Under the attack of the cold shower gel and the warm girl idol at the same time, the boy's voice sounded a little trembling.

"It's okay, Nini~" Because he has his eyes closed all the time, he can't judge the location of his sister behind him.

I can only roughly feel from the source of the sound.,At this time, my sister should be very close to me.。

For as the girl spoke, he felt as if a slightly warm wind was blowing from his neck.

My sister's voice sounded softer than before: "Aren't we brother and sister, Nini?" ”

"This kind of thing is also normal, some of my classmates run the bathtub with his brother or father every day..."

“......”

The somewhat confused teenager heard a hypnotic whisper behind him, and his mind went blank.

Since, then the innocent and pure sister said so?

Is it really that your own concept is too old?

But...

This kind of thing...

"Shhhh

At the moment when he was hesitant and confused, the 'girl idol' who found the opportunity took the opportunity to break through the defense line!

Came to his bulging pectoral muscles.

And because the boy was sitting on a small bench at this time, he also felt that his back was covered by cold shower gel, and suddenly a piece of warm...

Could it be that my sister is really in a state of no armor now?!

"Sniff? Why does my brother's shampoo smell weird? I don't seem to have such an astringent shampoo at home..."

"Stupid, no... Don't talk nonsense... This is my newly bought Hachio shampoo! ”

......

Moments later...

Nakano Shinyu, who was clenching his teeth, looked nervous.

'Smack...',Capture a certain 'girl idol' who has to inch in again.。

"Nanako..."

He didn't persuade any more.

Because he feels that his current sister can't be persuaded by words.

'Click...'

He stood up and turned on the shower directly, and the warm water washed down, directly washing off the shampoo foam on his head and the shower gel all over the place.

As the bubble seal was lifted, Masuke Nakano, who had regained his sight, looked down.

What appeared in front of him was a stream of foaming shower water, and two 'girl idols' that stretched out from behind him as white and tender as jade onions.

While 'singing and dancing' in front of him, he was also helping to rub the rough skin of the young man.

It may be the reason why the temperature of the water spilled overhead is too high, and Nakano Mayu feels that his body is a little hot inexplicably.

But at this time, although he lifted the seal on his sight, he was still trapped in the 'unarmoured' state of his sister.

If you turn around now, or make a stop move.

will put the unarmored sister ...

also with Riho-chan and quail senpai.,Leave a file in the super astringent printer deep in your brain!

This kind of thing...

If it happens, it's still very burdensome...

But just as he hesitated, the smooth and translucent floor tiles of the bathroom were washed by the current, reflecting through the water.

The boy who was lowering his head saw the dark blue school swimsuit on his sister...

“......”

He pulled the bath towel hanging next to him and wrapped it around his lower abdomen, and then grabbed the pair of white palms with a direct 'snap' and turned around directly.

"Ah, Nini, don't turn around, I'really..."

Nanako Nakano's voice didn't fall, and she had already met the deep eyes of the young man who were burning with flames.

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