While training in taijutsu, Yuya had more than once attempted to develop a pure taijutsu-based Body Flicker technique.
Most Body Flicker techniques were ninjutsu-based. Among them, the most famous was undoubtedly the Flying Thunder God Technique, which required no hand seals at all.
Spatial movement—crossing the battlefield as easily as strolling through a garden.
Beyond that, there were Earth Body Flicker, Water Body Flicker, and countless other variants—some mimicking Flying Thunder God's effects but requiring hand seals to activate.
In short, there were all kinds of techniques.
At present, Yuya could unquestionably crush jōnin in direct combat, yet even so, a jōnin could still entangle him for several exchanges.
If it were a jōnin or elite jōnin who had mastered Body Flicker techniques to an exceptional degree, they might not escape Yuya—but they could stall him for quite some time.
"Soru is a high-speed movement technique that relies on rapidly striking the ground multiple times in an instant… but it demands an extremely powerful body. Even now, it's still difficult for me."
Lowering his head, Yuya murmured to himself.
Even after completing the first stage of the Lightning Body Tempering Technique, every attempt Yuya made to use Soru still ended in failure.
After all, Soru's advanced form—Geppo, running through the air—was something that, in this world, Might Guy could only accomplish after opening the Eight Gates.
Shinobi physiques were far superior to ordinary humans, but they were still not enough.
Because of this, Yuya gradually abandoned the idea of developing a Body Flicker purely through physical strength, instead turning toward chakra-assisted movement techniques.
At the same time, ideas were beginning to take shape in his mind.
His vibrational force was violent and tearing in nature, yet it produced very little backlash against his own body.
That meant it was almost impossible to rely on vibration itself to propel high-speed movement.
However—
Yuya still had another technique.
Super Strength (Monster Strength).
Super Strength was, without question, a chakra-based impact technique.
And impact inevitably produced powerful recoil.
Taking a deep breath, Yuya guided chakra into his feet and stomped heavily against the ground.
"Soru!"
Crack!!
The earth shattered beneath his foot, and Yuya shot forward in a blur.
The speed was fast—but in truth, it wasn't much faster than his normal movement without using Super Strength.
"That's not right… the speed increase is minimal. The impact isn't transferring into my movement."
Yuya stopped and frowned slightly.
From inside the tree hollow behind him, Tsunade's voice rang out.
"What's wrong?!"
"Nothing. I'm testing a new technique."
After replying, Yuya fell back into thought.
Super Strength fundamentally involved amplifying physical power with chakra and releasing it in a single direction.
The recoil generated by that method wasn't particularly strong.
But what Yuya needed was precisely the rebound force of the impact, using it to explosively propel his body at extreme speed.
Which meant—
He needed to alter the chakra application method of Super Strength itself.
That was something Yuya had been experimenting with all along.
"Let's try it this way…"
Boom!!
Yuya shot forward again.
This time, his speed clearly increased—but it was still not enough.
"Again."
Attempt after attempt.
More than ten consecutive trials later, Yuya finally began to grasp something. His instantaneous burst speed started increasing noticeably.
He had found the right direction.
Just as Yuya stopped again, a faint disturbance suddenly occurred behind him.
With Yuya's sharp senses, he noticed it immediately.
He turned around abruptly, looking toward the rear—yet frowned when he failed to spot any shinobi.
"…Strange."
With a puzzled expression, Yuya lowered his gaze to the ground.
The earth in this area was riddled with cracks from his repeated stomping.
After staring for a moment with no results, Yuya shook his head, just about to chalk it up to his imagination—
When the ground in front of him suddenly rippled.
"There's something underground!"
Yuya's eyes flashed coldly. As he lifted his foot again, the chakra coating it was no longer Super Strength—but a white halo of vibration.
However, before he could stomp down—
A startled cry rang out from the tree hollow ahead.
"What the hell is this thing?!"
BOOM!!!
The thunderous explosion wasn't from Yuya's attack—it was Tsunade's Super Strength punch, blasting the tree hollow apart.
In the next instant, Tsunade burst out from the hollow, frowning sharply as she stared back inside.
But the moment she emerged—
Yuya froze.
The vibrational energy around his foot instantly dissipated as he stood there, staring blankly at her.
Tsunade noticed nothing unusual, her beautiful eyes still sharp with alertness, fists clenched and ready to strike again at any moment.
Then—
The shattered remains of the tree hollow exploded outward.
A grotesque head emerged from within.
Tsunade was no ordinary shinobi. The first time it appeared, she had been caught off guard—but now, she showed no fear at all.
Monster or not—if it dared to show itself, it would eat a punch first.
Yet before Tsunade could strike, the creature suddenly opened its mouth and sprayed forward.
Whoosh!!
A cloud of dark purple poison gas surged out.
Tsunade hadn't expected poison. She forcibly halted her punch and kicked backward, retreating instantly.
Even as she retreated, she called out to Yuya.
"Fall back! It's poisonous gas!!"
"…Uh, right."
Yuya, who had been staring blankly the entire time, subconsciously nodded and retreated together with Tsunade.
Only then did Tsunade notice that something was off about him, a trace of confusion flashing across her face.
And in the next instant—
She realized why.
Earlier, while healing her wounds, she had taken off her clothes entirely. When the monster burst out from underground, she hadn't thought about clothing at all—she had simply thrown a punch and charged out of the hollow.
Which meant—
Tsunade slowly lowered her gaze.
Then slowly raised it.
Her eyes met Yuya's.
Yuya coughed awkwardly.
"Well… actually, I didn't see anything. My eyesight hasn't been very good lately."
Tsunade: "..."
In the next moment, Yuya pulled off his cloak and tossed it over.
Tsunade caught it instantly and wrapped it around her nearly flawless body.
She didn't address the fact that Yuya had seen everything. Instead, she turned her attention back toward the churning purple poison mist.
Seeing this, Yuya also chose to pretend the awkward incident never happened, focusing together with Tsunade on the toxic cloud ahead.
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