Natsuki took a deep breath, carved the Hiraishin no Jutsu (Flying Thunder God Technique) formula onto a kunai, and threw it over a hundred meters away.
Then, holding a shuriken laced with his chakra, he connected it to the formula—and in the next second, the shuriken instantly appeared beside the kunai with the mark.
The Hiraishin no Jutsu allowed either the user or objects in contact with the user's chakra to teleport instantly.
That meant… the training was working.
At the same time, the duration of the special lab session came to an end.
"Phew! That was exhausting… but I've finally grasped the basics!"
Natsuki couldn't hide the excitement in his voice. He still wasn't confident enough to teleport himself—too risky, and the range was still short. But when it came to teleporting small objects, he was already fairly proficient, and the distance had reached over 100 meters.
Just as he was about to test again, he heard his father-in-law cough from outside and had to rein himself in.
During dinner, the topic naturally shifted to Jiraiya again—mainly because Tenten was curious about him, and especially about how Naruto came to know the man.
"Maybe Naruto is training under Jiraiya," Natsuki offered casually. "Naruto knows the Oiroke no Jutsu (Sexy Technique), and Jiraiya's a well-known perv. They probably hit it off right away. Plus, Naruto knows how powerful the Sannin are. Once he found out Jiraiya's identity, clinging to him for training would be the natural move."
Tenten nodded absentmindedly, but soon pouted with dissatisfaction.
Why did Naruto get to train with one of the legendary Sannin? Just because he knew some stupid transformation jutsu? That was so unfair!
Still, mastering the Hiraishin even to this point in such a short time was no small feat.
Clearly, Natsuki's talent was something to be proud of.
Morning had already broken. Natsuki gritted his teeth and completed his morning workout. After a quick wash and a light breakfast, he collapsed onto his bed and fell into a deep sleep.
Staying up all night wasn't sustainable—he couldn't keep pushing hard during the day too.
And since his work on the Hiraishin had finally yielded results, he decided it was okay to relax for once. Otherwise, he'd burn out.
Maybe the technique was just too mentally taxing—he ended up sleeping until the afternoon.
When he woke, he went straight to the ninja tools shop to chat with his father-in-law.
Natsuki was curious too.
After all, Naruto had already lost in the preliminaries and didn't need to train for the finals. Based on his personality, Naruto didn't seem like the kind to throw himself into harsh training right now. So why was he suddenly sticking to Jiraiya? Was he actually training? Or did he and Jiraiya really just get along due to their shared pervy tendencies?
Hard to say… but Natsuki was interested in meeting Jiraiya.
"Yo, Natsuki? What's got you coming here this early today?" the shop owner asked, a bit concerned.
"Oh, just made some progress in my training," Natsuki replied. "Figured I'd take a well-deserved break and come hang out with Oyaji."
He casually pulled a deck of Ninja Slayers from beneath the counter, and the two began a fierce 1v1 match. The game got so intense they nearly forgot to start preparing dinner.
While they were setting the table, Tenten stormed in, fuming with rage.
Natsuki quickly rushed over. "Oi! Who made my wife mad? Tell me, I'll beat the crap out of 'em!"
"You're here already, huh?" Tenten's anger calmed a bit at the sight of him, but she still plopped down with a huff. "It was that infamous pervy Sannin—Jiraiya! I was passing by the bathhouse on my way home and saw some white-haired creep lying on the roof peeping in. I immediately threw a shuriken at him, but he dodged it. Then guess what? Naruto was nearby! And he recognized that pervert—called him 'Ero-sennin'!"
"Yeah, I remember you said Jiraiya was a huge perv," she continued. "But I was furious and shouted for nearby shinobi. And turns out—he really was Jiraiya! One of the three legendary Sannin, the Hokage's personal disciple! And he was peeping on the women's bath, acting all smug and saying it was 'research!' I'm so mad I could explode!"
Natsuki could imagine the scene.
Anyone seeing something like that would've been pissed—especially when every family had women of their own. How could they tolerate something like that?
If Natsuki had been there, he definitely would've thrown hands with Jiraiya. After all, Tenten used the bathhouse too. What if that old perv peeped at her one day?
So Natsuki joined in on her outrage. "Unforgivable! I'm gonna find that bastard and beat him up! If I can fight Orochimaru, I can definitely take Jiraiya too!"
Tenten quickly grabbed his arm. "No, no, no! Natsuki, calm down! I… I'm not that mad anymore. Besides, I'm not going to the bathhouse again anyway. So relax, okay? Jiraiya may be a pervert, but he's still the Hokage's disciple. If you pick a fight with him, we'll be the ones in trouble!"
"And we're just supposed to let him get away with it? How many girls has he spied on like that!? Not only does he peep, but he writes it all into his books! It's disgusting!"
Natsuki's furious expression actually made Tenten calm down a bit more.
She was probably just worried that Natsuki might actually clash with Jiraiya.
But thanks to that, her anger really did fade. As she said—if worst comes to worst, she'd just stop using the bathhouse. Jiraiya was the Hokage's student. As ordinary villagers, sometimes it was best to just turn a blind eye… or risk suffering for it.
Quick to shift the subject, she asked, "Anyway, Natsuki, how come you're here so early today?"
Natsuki smirked mysteriously. "You forgot today's the second?"
Tenten's eyes lit up. "So you tested the Hiraishin last night? How did it go!?"
Natsuki explained patiently, "It's dangerous. Writing the formula is easy enough, but once you connect to it from afar, it feels like you're slipping through the cracks of space. One wrong move and you could get hurt. But when it works, you really do teleport instantly. I'm only comfortable teleporting small objects right now—doing it myself is still too risky."
As he spoke, he pulled out a kunai, etched the Flying Thunder God formula onto it, and threw it toward a wall a few meters away.
Then, he held a shuriken in his chakra-infused palm, focused, and—swoosh!—it vanished, instantly appearing beside the kunai.
Tenten's eyes sparkled. "You've really grasped the foundation already!"
Natsuki smiled. "Yeah, I think I'm getting close to mastering it. I'll start by teaching you how to inscribe the formula. In the beginning, you can try teleporting small things—it won't be dangerous. Once I've fully mastered it, I'll teach you everything else."
"Okay! I'll do whatever you say!"
Tenten beamed, her eyes turning crescent-shaped as she hugged Natsuki tightly and gave him a soft kiss.
(End of Chapter)
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