Tsunade slowly withdrew her finger and casually shook her wrist.
As her sleeve slipped slightly downward, it revealed a smooth and toned forearm beneath the loose yukata. There wasn't a single trace of injury on her skin despite the terrifying destruction she had just caused.
"The essence of this technique," Tsunade explained calmly, "is an advanced force-release method."
Her eyes shifted toward the shattered remains of the granite boulder.
"You compress chakra into a single point within an extremely short amount of time, then release it all at once in an explosive burst. That instant release creates overwhelming destructive power."
She lightly clenched her fist.
"Once mastered, the technique can be integrated into taijutsu and applied through nearly any part of the body."
"Fists."
"Fingers."
"Elbows."
"Knees."
"Heels."
"As long as your chakra control is precise enough, every strike becomes lethal."
Ren silently stared at the crushed granite fragments scattered across the courtyard floor.
To be honest…
The rewards from this trip were becoming absurdly generous.
Originally, he had thought learning either the Mystical Palm Technique or Tsunade's monstrous strength technique would already be an incredible harvest. Even obtaining something like the Delicate Illness Extraction Technique would have satisfied him.
But now?
Tsunade was teaching both.
That alone was unbelievable.
The Mystical Palm Technique was already an advanced medical ninjutsu.
But the true monster here…
Was the Superhuman Strength Technique.
Or more accurately—
Cherry Blossom Impact.
Unlike the Mystical Palm Technique, which many elite medical ninja could at least attempt to learn, Tsunade's chakra-enhanced strength technique was practically exclusive to monsters.
Among known users, only members of the Senju bloodline, the Uzumaki bloodline, and eventually Sakura Haruno had successfully mastered it.
Even Jiraiya and Orochimaru never learned it.
Of course, part of that was because the technique didn't suit their combat styles.
Still—
There was an even more terrifying example standing nearby.
Shizune.
She had followed Tsunade for years. She could use the Mystical Palm Technique skillfully and was already considered an elite medical ninja.
Yet even she hadn't mastered Cherry Blossom Impact.
That alone proved how terrifyingly difficult the technique truly was.
Could it be…
In Tsunade's eyes, he and Rin were already being positioned as future successors similar to Sakura Haruno?
Did Tsunade actually intend to accept them as true disciples?
Ren thought about it carefully.
Then immediately rejected the idea.
No.
The more likely explanation was that Tsunade was preparing herself mentally to leave the village someday. Because of that, she wanted to pass down her techniques before disappearing again.
Meanwhile, Tsunade continued speaking.
"The cultivation difficulty of this technique is slightly higher than the Mystical Palm Technique."
Her gaze swept over Ren and Rin one by one.
"In addition to precise chakra control, it requires terrifying instantaneous control ability. There cannot be even the slightest waste."
"Too little chakra, and the attack loses power."
"Too much chakra, and your body may collapse before the enemy does."
Then her expression suddenly became serious.
"There's one more thing."
Both Ren and Rin instantly straightened.
"This technique is considered a secret method."
"Whether you manage to learn it or not, you are forbidden from spreading any information regarding it without my permission."
Her sharp gaze carried immense pressure.
"If I discover either of you leaking this technique…"
"I will personally remove your names from the Medical Squad roster."
The atmosphere instantly became tense.
Ren and Rin immediately replied together.
"Yes, Lady Tsunade!"
"We understand!"
After all, this was essentially a secret technique inherited from Tsunade's lineage. Respecting that wasn't optional.
At that moment—
A familiar system notification suddenly appeared before Ren's eyes.
[Ding! Detected high-quality potential conquest target: 'Super Strength Technique'!]
[Triggering time-limited Encounter Mission!]
The scenery before his eyes instantly shifted.
A noisy gambling den appeared in his vision.
Inside the dimly lit corner of the casino sat a blonde woman with crimson eyes. Her legs were crossed lazily atop the chair, and her loose furisode hung carelessly from one shoulder, revealing a smooth white arm.
A wine gourd rested at her waist.
Dice-shaped earrings swayed gently beside her face.
Several dice danced skillfully between her fingers as she smirked arrogantly.
The woman suddenly slammed the dice cup against the table.
"Speak."
"Big or small?"
Then the options appeared.
[A: Big]
[B: Small]
[C: I want to check the cards!]
Ren almost burst out laughing internally.
As expected of Tsunade's technique.
Even the encounter mission started in a gambling hall.
And this blonde gambling addict…
Was obviously modeled after young Tsunade herself.
Without hesitation, Ren selected:
"I want to check the cards."
Instantly, the blonde woman narrowed her eyes dangerously.
She suddenly leaned forward across the table, revealing an extremely unfair amount of cleavage.
"What's that supposed to mean?"
"You think I'm cheating?"
Her voice turned threatening.
"If you don't want to gamble, get lost. Plenty of others are waiting."
"Say one more stupid thing and I'll break every bone in your body."
The options appeared again.
[A: Big]
[B: Small]
[C: I want to check the cards!]
"…."
Ren immediately understood.
So the system was forcing him to make a real choice.
His eyes subconsciously drifted toward the real Tsunade standing nearby.
Specifically—
Toward her terrifyingly rule-breaking figure.
After hesitating briefly, he finally made his guess.
"Big."
The gambling girl sneered confidently as she opened the dice cup.
Clearly, she believed victory was already guaranteed.
But the moment the dice became visible—
Her expression froze.
4.
5.
6.
Big.
The gambling girl stared blankly at the result.
Then her entire face darkened in frustration.
Finally, she gritted her teeth and slammed both hands onto the table.
"I lost!"
"It's all your fault!"
"But a bet is a bet."
She pointed at Ren unwillingly.
"Since your luck was better than mine, I'll temporarily follow you as your servant."
"But don't get smug!"
"I'll definitely win it back next time!"
[Super Strength Technique favorability +1]
[Added to conquest list!]
"…That's it?"
Ren blinked.
He genuinely couldn't tell whether he was simply lucky…
Or if this technique inherited Tsunade's legendary gambling misfortune.
Still—
A conquest target added to the list could never truly escape anyway.
That was all that mattered.
Meanwhile, outside the system illusion, Tsunade casually waved her hand.
"Alright."
"You've both been taught the basics."
"Whether you can learn them depends entirely on your own ability."
She adjusted the collar of her yukata and turned toward the house.
"You may leave now."
"Wait a moment."
Ren suddenly spoke.
Tsunade stopped walking and glanced back at him.
"Hm?"
Ren coughed lightly.
"Lady Tsunade… I have two requests."
"Oh?"
Tsunade raised an eyebrow.
"First…"
Ren pointed toward the Mystical Palm Technique scroll.
"I'd like to borrow the scroll temporarily and make a copy for study purposes."
"Don't worry. Rin and I will be the only ones who see it, and I'll return the original immediately afterward."
Tsunade didn't even hesitate.
"That's fine."
Then she crossed her arms.
"And the second request?"
Ren smiled slightly.
"I want to discuss business with you."
"…Business?"
Naturally, the business he referred to was Konoha Raw Cola.
Tsunade looked mildly interested.
"Oh, that sweet drink you mentioned earlier?"
"The taste wasn't bad, but it lacks proper intensity."
Then, surprisingly, she immediately began analyzing the ingredients.
"The main materials should include Blood Mist Grass, Blood Clotting Flower, and Spirit Transformation Wood."
"All three help with stopping bleeding, relieving fatigue, and restoring stamina."
"Spirit Transformation Wood is even used in soldier pills."
"The sweetness probably comes from Snake Heart Fruit."
Ren was genuinely stunned.
"As expected of Lady Tsunade…"
"Your palate is incredible."
"Hmph."
Tsunade snorted proudly.
"Flattery won't make me accept you as a disciple."
Still, she continued thinking aloud.
"Personally, I still prefer sake."
"But only adults can drink alcohol."
"For kids your age, this type of beverage would probably become very popular."
Then her expression softened slightly.
"Besides…"
"Your father can no longer continue active ninja work because of his injured leg."
"If you want to help support your family through business, that's not a bad path."
A faint trace of approval appeared in her eyes.
"You're filial."
"And you've got a decent head on your shoulders."
"In that case…"
"I'll help refine the formula."
Ren's eyes brightened instantly.
"And forget profit sharing," Tsunade added casually while waving her hand dismissively. "I'm not lacking money right now."
"There's no need for me to take a child's earnings."
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