"What Jiraiya-sensei calls serious business, isn't it to collect material for your novel? Isn't that still peeping?" Kushina said dissatisfiedly: "Why do you do these boring things all day long? This kind of thing is so interesting?"

Interesting! Jiraiya thought silently, but did not say it out loud.

Interesting! Duke listened with great interest and agreed secretly, but did not say it out loud.

Interesting! Shuimen remained calm and answered in the affirmative in his mind, but did not say it out loud.

Interesting! The hand below narrowed his eyes even more deeply, but he didn't say it.

Interesting! The noodle eater pricked up his ears and nodded, but did not say anything.

At this moment, all the male compatriots in the noodle shop united as one, but they didn't dare to speak out. Because Kushina's red hair moved like an octopus without wind, for the sake of safety, they all chose to remain silent and only gave Jiraiya some spiritual support.

"Please, lecherous sage!" As expected, Jiraiya's eyes turned red, he was breathing heavily, his hands were grasping at nothing, and his saliva was dripping all over the floor. With Duke's charming voice that was so numbing that it penetrated his bones, he bleeds from his nose twice and falls to the ground.

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"Minato-sensei, the lecherous sage has fainted." Duke turned back to his original form and shouted at Jiraiya who was bleeding on the ground. If he was not rescued, Konoha would lose its second Sannin.

Duke nodded in response quickly, and Kushina was greatly encouraged. She decided that if she had children in the future, she would never allow the children to get along with Jiraiya.

Jiraiya was so embarrassed that he couldn't even talk back when being taught a lesson by his junior that he looked at Minato for help. Minato smiled awkwardly and pulled Kushina to sit down.

This statement would have been more convincing if he wasn't hunched over and there wasn't toilet paper in his nostrils.

"Oh, it's Zixiao!"

"Then how can we concentrate the chakra in our palms to form a high-speed rotating chakra sphere?"

Outside of Konoha, next to the waterfall.

Jiraiya taught Duke hand in hand, Minato and Kushina sat side by side under a tree, whispering from time to time. This scene was enough to make some single guys envious, like Jiraiya, he didn't dare to look away.

"It's the Toad Sage, not the Lecherous Sage." Jiraiya corrected him, and then asked dissatisfiedly: "Why do I have to perform for you? Are we familiar with each other?"

Silent silence! Duke and Minato were so embarrassed after watching someone's self-written, directed and performed a unique dance.

With a bang, the white smoke dissipated, and in front of Minato and Jiraiya appeared a tall, curvy, black, straight-haired beauty with a devilishly hot body. The revealing black one-piece bikini outlined her perfect figure, and at the same time formed a strong visual impact with her fair skin, which was soul-stirring. Her charming eyes were rippling, and a green jade finger was placed on her pink thin lips. The big beauty leaned forward and posed in an S shape, and her ferocious white rabbit squeezed out an unfathomable depth.

"Teacher, you must have something urgent to talk to me about. I'll be back soon." After saying that, Minato quickly pulled Jiraiya and ran away.

"That's amazing, you're worthy of being Teacher Jiraiya." Minato praised sincerely.

Minato opened his mouth wide at this time, he was stunned by Duke's extremely boring ninjutsu. But if you look closely, you can see his rapid breathing, which should be because when Duke transformed and turned his back to him with his buttocks raised, some unknown things caused him to be shocked. So, even the most perfect Hokage was a hot-blooded young man when he was young, which is understandable!

"Konoha's secret technique? The color seduction technique!"

"Teacher Jiraiya is already old, and instead of thinking about starting a family and building a career, he spends all day doing boring things..." Kushina babble and starts preaching.

"I also have a secret technique of Konoha, called the Harem Technique, which can conjure up a dozen big sisters like the one just now, and... they are not wearing clothes!"

"He is Senior Zixiao's child, named Duke. Senior asked me to take care of him." Minato explained.

"It's just a performance...but I want to learn this trick too!"

"Really? Teacher, do you have such a bad impression of me?" Jiraiya condensed a ball full of chakra with one hand and boasted, "How is it? I have mastered the secret technique that you have been studying for three years. Isn't it amazing!"

Kushina ate her noodles angrily and said to Duke: "It is said that there are three taboos for ninjas, but I think we should add Jiraiya-sensei, and there are four taboos for ninjas. The fourth one is to stay away from Jiraiya, don't you think?"

"The Tailed Beast Ball is not something you can touch yet, so I won't tell you." Jiraiya shook his head. As a mentor, he was very responsible and he didn't intend to teach his students knowledge that was not beneficial.

"How amazing, uncle, you can tell that I'm a boy at a glance. You are the first one who can do it!" Duke was surprised. He is worthy of being the most vulgar among the three ninjas and a pervert. The three-dimensional receptors between his legs are indeed superior to others.

"These changes are too early for you. Once you have learned the most basic Rasengan, you can study it yourself." Jiraiya pointed at Minato not far away: "Even the developer of this ninjutsu has no clue yet. It is definitely S-level difficult. So, let's get practical and talk about the Rasengan first!"

"What is the Tailed Beast Ball?" Duke asked when he didn't understand, playing the role of a good student.

Duke learned it very well and condensed a ball of chakra in his palm, which seemed to be not difficult at all.

"So it's the lecherous sage! That untapped ninjutsu just now was so powerful, can you do it again?"

"I was just about to ask, who is this kid?" Jiraiya dispersed the Rasengan in his hand, stared at Duke for a while, and suddenly exclaimed in surprise: "So cute, it's actually a boy!"

"It will be very difficult for you to get married in the future..." Jiraiya felt sorry for her misfortune and was angry at her for not fighting back, but thinking that he was still a single dog, he didn't have much persuasiveness, so he changed the subject: "I came to you because I have something very powerful to show you."

"The Unmatched Ninjutsu just now..." Duke said expectantly.

Minato laughed but didn't answer. In the late stage of being henpecked, he said he was used to it and it was no big deal. He even felt uncomfortable if he didn't listen to her for a day.

"It's okay to perform as many times as you want, but..." Jiraiya said with a lewd smile, "In return, you have to perform that Konoha secret technique as well."

"That makes no sense! Naruto's seduce technique even took off his briefs, but Jiraiya didn't react like that. Could it be that black long straight hair is more to his taste than blonde twintails? No, isn't Tsunade blonde with twintails?" Duke didn't expect that Naruto's seduce technique would only appear in front of Jiraiya after almost 20 years. At that time, Jiraiya had been away from the village for many years and had been through many battles. He had seen all kinds of scenes. Now, maybe he hasn't even tried sex yet!

"Is this the Unmatched Ninjutsu?" Duke poked his head out from behind Minato, pretending not to know it, and asked curiously.

Minato hunched over and shook Jiraiya non-stop. After waking him up, two hunched-over men appeared. In a sense, Duke's move also killed two Kage-level warriors. Although he learned it secretly, Duke shamelessly said, "I used it first, and the copyright belongs to me."

"You are indeed a genius. I promised on behalf of Minato that I will definitely teach you this ninjutsu."

You can't expect a pervert to have high moral integrity. In fact, moral integrity is sometimes not as important to Jiraiya as a pair of original briefs.

"Listen to me carefully, the Rasengan is a difficult ninjutsu that concentrates the chakra, condenses it in the palm of your hand, and rotates it at high speed to generate a huge tearing force to destroy the enemy's defense. Once it hits the opponent, it can not only cause surface damage to it, but also temporarily cause the enemy's chakra to be disordered. Among the unmarked ninjutsu, the Rasengan has the highest power, and because this technique has no attributes, it can theoretically be extended to many kinds of changes." Jiraiya said seriously, explaining the principle of the Rasengan.

"Is this a novel written by the teacher after collecting materials? I won't bother with this kind of thing..." Although Minato wanted to read it very much, he still refused. He and Kushina were in love, and they would be doomed if they were discovered.

"This is a difficult matter. This is Minato's ninjutsu. I cannot teach it to you without his consent." Jiraiya was very principled and decisive.

"Your name is Duke, right?" Jiraiya stuffed two pieces of paper in his nostrils and gave Duke a thumbs up: "I take back what I said just now. You must be a genius to invent such a great ninjutsu."

"Ahahahaha! Little boy, who do you think I am? I am Jiraiya, the Toad Sage of Mount Myoboku!" Jiraiya was very proud of being praised. He clicked his wooden clogs and did a dance that seemed very low-brow in Duke's opinion, and said proudly.

Minato's mouth twitched, and he regretted giving the Rasengan to Teacher Jiraiya. This shameless deal caused the value of the Rasengan to plummet, becoming equivalent to a pair of underwear.

Duke was stunned. Jiraiya really had no obligation to perform for him, because they...really didn't know each other. But this didn't bother him. To deal with a ninja like Jiraiya whose blood had a serious excess of lust, Duke had a ninjutsu that the other party could never resist.

"This is a great test of the caster's chakra control ability." Jiraiya stretched out one hand, condensed a ball of blue chakra in the center of his palm, and said: "The first stage, gather the chakra in the palm of your hand."

"Rasengan is a unique ninjutsu developed by Minato with inspiration from the Tailed Beast Ball..."

Outside the store, Minato and Jiraiya walked into the alley. Jiraiya breathed a sigh of relief, but still had some lingering fears: "Kushina is getting more and more preachy. Minato, you must be having a hard time!"

"Not bad, your chakra control ability is very good." Jiraiya praised and continued: "The second stage is a further practice of the first stage, which is to release chakra stably and continuously. For example, put a balloon filled with water in your hand, and then release chakra to make the water inside the balloon move irregularly until the balloon explodes. Here we need some props..."

As Jiraiya was speaking, his attention was attracted by the chakra rushing around in Duke's hand. His experience told him that Duke had mastered the second stage.

"I underestimated you. You did a good job!" Jiraiya was very happy. Every teacher likes smart students, which will make them feel a sense of accomplishment as role models.

"I have a foundation in medical ninjutsu, and I am quite confident in chakra control."

(End of this chapter)