"Hehe…"
In the hotel in the Hot Springs Town.
Akira Ren, who had instantly returned to his room using Flying Thunder God, revealed a light smile.
After all, they had only just met. It was appropriate to maintain some distance and not pester her relentlessly, lest it become counterproductive.
Anyway, he had already quietly left an invisible Flying Thunder God mark on Terumi Mei.
There would be plenty of opportunities to find her and deepen their relationship.
There was no need to rush.
"Akira Ren…"
Accompanied by a knock on the door.
Shizune's clear voice came through.
"Sister Shizune…"
Akira Ren opened the door for Shizune and gestured for her to come in.
Looking at Shizune, whose outfit wasn't particularly flashy but made her look youthful and beautiful — completely different from her usual self — Akira Ren smiled and asked, "It's so late. Is there something you need?"
"Today… are we still training?"
Shizune's face was slightly red.
She lowered her head, not daring to look at Akira Ren.
Her long legs were clamped somewhat tightly.
But her meaning was self-evident.
"Of course. I thought you were tired from strolling around today, so I didn't mention it…"
Akira Ren was slightly stunned.
Then he smiled slightly.
She was… addicted?
Following Akira Ren's invitation, she stepped into the room.
Shizune, who had been somewhat nervous, subconsciously twitched her nose slightly.
She wrinkled her nose and sniffed at Akira Ren. "This scent…"
"…" Akira Ren was startled.
She could even smell that?
As a ninja.
One might encounter all kinds of sudden situations during missions.
Being able to effectively conceal oneself was very important.
Normally during missions, whether it was Terumi Mei or Kurenai and the others.
They generally wouldn't use perfume or the like.
They would try their best to prevent any residual scents on their bodies from exposing themselves.
"Akira Ren, you just came back, right?"
Shizune looked at Akira Ren, her gaze somewhat meaningful.
But even though she had always been non-competitive and kept a low profile, she couldn't help but pout slightly.
There was inevitably a trace of resentment in her eyes as she looked at Akira Ren.
Was that vixen from the Mist Village really that good?
To make this bad boy sneak out quietly.
"Looks like Sister Shizune noticed…"
Akira Ren cleared his throat.
He didn't deny it.
"Never mind. Just don't go too far, and don't let Lady Tsunade know…" Seeing Akira Ren admit it so straightforwardly, Shizune felt somewhat helpless.
Akira Ren's playboy nature was definitely not going to change.
But after following Tsunade for so many years and knowing her benefactor extremely well — she could practically be said to know her like the back of her hand.
She had naturally seen from the beginning that Tsunade really disliked that vixen from the Mist Village, Terumi Mei.
Probably because of Akira Ren?
"Sister Shizune…"
Akira Ren didn't continue this topic.
He smiled and said, "Then, let's begin!"
"Mm, sorry to trouble you…" Shizune's pretty face flushed slightly.
These past few days, Akira Ren had been using the Spiritualization Technique to help her train the Yin Seal and Strength of a Hundred Seal. She believed she would truly succeed in the next couple of days.
Moreover, it wasn't just those two forbidden techniques.
Even Swift Release had been developed for her by Akira Ren.
In fact, she could now activate it instantly with just a single hand seal.
Just like earlier, when no one had even seen her form the seals, she had already instantly intercepted the Mist Anbu member who tried to take Karin hostage and easily blasted him away.
Akira Ren had also directly guided her on how to more effectively use Lightning nature transformation to greatly enhance her speed, strength, and even neural reaction ability.
But that was beside the point.
What truly made Shizune both look forward to and fear was Akira Ren's extremely skilled, almost addictive pure manual aesthetic massage.
...
Time passed.
Two hours later.
Under Akira Ren's guidance.
Shizune, who had been seriously training.
After Akira Ren's spiritual body separated from within her.
She opened her eyes, revealing unprecedented joy.
On her forehead was a striking diamond-shaped mark.
After Akira Ren had demonstrated it again and again these past few days.
She, who had obtained the Hōko clan's bloodline and Swift Release bloodline limit, whose chakra reserves and chakra control had both greatly improved.
Had finally succeeded on her own in regularly injecting chakra into that mysterious chakra pool and could extract it from it at any time.
"Wonderful!" She was overjoyed, filled with excitement. "I've finally mastered the Strength of a Hundred Seal!"
"Congratulations, Sister Shizune…"
Akira Ren, whose spiritual body had returned, revealed a smile.
He had seen Shizune's efforts these past few days.
It had finally borne fruit.
"Mm…"
Shizune, who was somewhat moved to tears.
In her emotional excitement, she couldn't help but throw herself at him.
She hugged Akira Ren tightly. "Akira Ren, thank you!"
"This is what I should do…" Akira Ren gently patted his senior sister's back and smiled.
But before he could finish speaking, he couldn't help but widen his eyes.
His unfinished words were swallowed back.
"Mm…"
Shizune's boldness.
Left Akira Ren somewhat surprised.
But such kindness was naturally not to be refused.
These past few days, he had already seen every part of her, inside and out.
Toward this gentle, low-key, and modest senior sister.
How could he not have any feelings?
He naturally responded.
Smack… Smack…
After a long while—
The two of them looked into each other's eyes.
Shizune's face was flushed.
She buried her head in Akira Ren's embrace.
"Sister Shizune…"
Akira Ren suppressed his urges.
Gently biting Shizune's ear, he smiled and asked, "Do you want to continue the next part of training?"
"For training… let's stop here for today…"
Shizune trembled all over.
Breathing heavily, her face flushed as she spoke softly.
"Then…"
Nodding, Akira Ren expressed his understanding.
His senior sister's shy personality had already been very bold to do this much.
But in the next moment, he realized he was wrong…
He sucked in a cold breath and stared dazedly at Shizune. "Hiss! Sister Shizune, you…"
"Every time you restrain yourself like that, it's too hard on your body…"
Her hands trembled slightly.
Her face was charmingly flushed, her eyes watery.
Shizune said somewhat nervously and timidly, "This is my first time doing… doing something like this… I'm not… not very skilled yet. Please bear with me, Akira Ren…"
Looking at Akira Ren, who was somewhat shocked but also full of anticipation.
Gaining a bit more confidence, she blushed and knelt down.
Taking the initiative, she boldly proceeded.
"Hiss…"
...
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