"Coach, the coach isn't even scratched???"
"Nani??? What the hell just happened!?"
"Bullets didn't work on the coach at all!!"
"Sugoi!! So this is Tekkai! That's insane!! I've gotta master Tekkai too—then I won't have to fear bullets anymore!"
"No wonder he's the coach!"
After the initial shock, the trainees burst into excited exclamations, clearly shaken by what they just saw.
The temple was one of the most vulnerable spots on the human body—deadly and fragile.
Right in front of the students, the coach had just shown that even a shot to the temple couldn't break through his incredible defense.
Even Garp and Sengoku were fired up after witnessing it.
Garp clenched his fists, his wide eyes blazing. "To block bullets head-on... his body's like steel. So this is a high-level Marine combat technique! I have to learn this!"
"If I master it, my punches, my combat strength—they'll be way stronger! Crushing that damn ponytail guy? Easy."
Sengoku stared at the coach, eyes burning with excitement. "As expected, only here at Marine HQ can you learn advanced combat skills and truly grow stronger."
"One day, I'll send every last one of those pirates to the bottom of Impel Down!!"
Seeing the scene unfold, Klein couldn't help but recall the flamboyant 'Fire Cloud Evil God' from an old movie.
Except that guy was all about speed—this coach was just eating bullets with his bare face.
Everyone present was clearly yearning for a body as tough as steel—capable of deflecting bullets and blades alike.
A beautiful girl, Tsuru, raised her hand and asked, "Coach, can female trainees learn Tekkai?"
The question silenced the entire room instantly.
The coach's expression shifted slightly. "Yes, but mastering it is very difficult. After all, a female body's structure differs from a male's. It might require ten times the effort... or even more..."
"Even then, it's still extremely hard to master."
Tsuru's bright eyes dimmed at his words. Her brows furrowed tightly.
The answer struck her hard.
Even as a girl, Tsuru had no intention of falling behind. She didn't want to lose to anyone here—she wanted to become strong, become an outstanding Marine, and bring evil pirates to justice.
Female Marines were rare, and famous ones even rarer.
Tsuru wanted to become a representative of them.
Her thoughts were in disarray, but the coach quickly reassured her, "Tsuru, Rokushiki has many advanced combat techniques. I'll be teaching them all in time—you can focus on others instead."
The coach's words helped Tsuru regain her calm. She nodded, though her mood remained low.
It wasn't the first or second time she'd heard something at Marine school.
The conversation reminded Klein of Koshiro and his daughter Kuina from the anime.
He couldn't help but feel a twinge of sympathy.
'Thank God I didn't get isekai'd as a woman... This world doesn't have my bros around, and if I did genderbend, at least let me have some fun with it.'
That was the kind of joke everyone used to make in his previous life.
Besides, gender-swap scenarios weren't exactly rare in web novels.
"Silence," the coach barked. "Next, I'll teach you the method to train Tekkai. Pay close attention."
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The coach not only explained the theory behind Tekkai, but demonstrated it multiple times himself.
Then it was the students' turn to begin training based on his instructions.
Each of them was brimming with passion, as if injected with pure hype.
After repeated attempts—they still got punched screaming in pain.
"Ahhh—Tekkai is way too hard!!"
"That hurts! Be gentler, will ya? That really hurt~"
"Garp, you bastard!! You trying to kill me with that punch!?"
"Afro-head!! You hit harder than I did!"
The training room turned chaotic. Everyone was eager to test how tough their Tekkai really was.
In truth, none of them had even reached the entry threshold yet. But that didn't stop their enthusiasm for this high-level technique.
The coach strolled through the room, reminding them, "Tekkai isn't something you learn in a day. You need to repeatedly hone and strengthen your body, build control over your muscles..."
"Only then can you master Tekkai. Even a genius would need months—maybe longer—to fully grasp it."
"A lot of you still don't have the physical stats to handle it. You'll need to work on your conditioning first."
He especially focused on the trainees with the highest Doriki values—Garp and Sengoku among them.
Right now, those two had the best physiques among the batch and were eligible to learn Rokushiki.
Their results weren't clear yet, but when it came to sheer fire and hype—they were miles ahead of the rest.
"I'm sure they'll get it soon. Once they do, I can start teaching them the other techniques of Rokushiki." The coach nodded, arms behind his back, clearly pleased.
A voice rang out, catching the coach completely off guard.
"Coach, I've learned Tekkai!"
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The coach stumbled forward, nearly tripping. "Who? Who just said they learned it!?"
The training room fell deathly silent. Everyone turned to look at...
Klein beamed with exaggerated joy, grinning ear to ear. "Hahaha—Tekkai! I've got it!!"
Shamelessly faking it.
But hey, all for the money—no shame in that.
If he wanted to open his own training class soon, he had to steal the spotlight first.
Attract some students.
The coach walked up to him, half-skeptical. "Klein, you really mastered Tekkai?"
"It's not that I don't believe you—but Tekkai isn't something you learn in a day. Show me."
No—more accurately, it hadn't even been a few hours since training started. And this guy's claiming he mastered Tekkai already?
Come on, who are you trying to fool?
The coach had trained multiple batches of students—not once had anyone mastered Tekkai in a few hours.
The rest of the trainees whispered among themselves.
"Seriously? Klein already learned Tekkai?"
"He's gotta be lying. The coach said even a genius needs at least half a year!"
"Maybe that guy thinks just tensing your muscles and flexing is Tekkai?"
"Let's see if he can really make his body as tough as iron. That'll prove it."
Even Garp and Sengoku were totally dumbfounded. They'd just been arguing about who would master Tekkai first.
It was supposed to be a friendly competition.
And now Klein's claiming he already did it!?
Garp's expression darkened as he picked his nose. "No way. Ponytail guy's physique isn't even on our level. He learned it already?"
"If he really did, I'll wash my hair standing on my head!"
"Count me in..." Sengoku said, clearly doubtful. With Klein's level of talent, it just didn't seem possible.
Unless they were seeing ghosts.