The Strongest Eriri in History

[Nine-Tomoe Rinne Sharingan:]

Origin: Naruto

The most powerful dojutsu (Pupil Technqiue) in the Naruto world.

Also known as the Rinne Sharingan, It is the ultimate form of the Sharingan, combining the powers of the Rinnegan and the Sharingan. It is the progenitor eye of both the Rinnegan and Sharingan.

Abilities:

 1. Control Entire Populations: Use illusions powerful enough to control every human on a planet.

 2. Dimensional Transfer: Possess the ability to transfer oneself or others to alternate dimensions.

 3. Additional capabilities: Discoverable through exploration.

The eye can be activated or deactivated at will after fusion, ensuring it does not interfere with daily life.

Note: To use the Nine-Tomoe Rinne Sharingan, a minimum power level of Level 3 is required.

Reading the descriptions of both the Rumble-Rumble Fruit and the Nine-Tomoe Rinne Sharingan, Kaede Honjou's face was painted with sheer shock.

The Nine-Tomoe Rinne Sharingan was introduced in a simple and straightforward manner, but the implications were overwhelming. Controlling an entire planet's population? That was nothing short of godlike. Furthermore, its ability to transfer across dimensions far surpassed the Flying Thunder God technique.

As for the Rumble-Rumble Fruit, while it didn't reach the same level as the Rinne Sharingan, its power was still astonishing. Even with its listed cap at Level 4, Stage 1, Kaede knew the chat group's points system could eliminate any such ceiling. She made up her mind—she would integrate both the Rumble-Rumble Fruit and the Nine-Tomoe Rinne Sharingan.

She wasn't worried about changes to her physical appearance from the Rinne Sharingan; the description had made it clear that it could be deactivated, allowing her to look normal at will.

To gain the powers of the Rumble-Rumble Fruit, she needed to eat it. However, Kaede first decided to eliminate all its drawbacks. With her massive points balance of over 20 million, spending even hundreds of thousands to address these issues was a non-issue.

The cost breakdown for removing the fruit's drawbacks was as follows:

Unpleasant taste: 500 points.

Weakness to Seastone: 10,000 points.

Inability to swim: 10,000 points.

One-fruit limit: 50,000 points.

In total, these adjustments cost just over 70,000 points—a trivial amount for Kaede.

Without hesitation, she paid the points and held the modified Rumble-Rumble Fruit in her hands. With all the drawbacks removed, she took her first bite.

"Hmm~ This is pretty sweet!" Kaede remarked while chewing. Thanks to the chat group's modifications, the fruit now tasted like pineapple.

A few minutes later, she swallowed the last bite of the Rumble-Rumble Fruit, feeling a sudden transformation within her body. Her entire being seemed to shift dramatically.

With a single thought, her body transformed into a shimmering, electric form, glowing with arcs of lightning. To her astonishment, even her clothes converted into electricity along with her body.

She experimented further, attempting to control the lightning within her body. To her delight, the power responded as naturally as moving her limbs. However, she realized that her electric attacks were not yet very powerful—a limitation stemming from her current inexperience.

Despite this, the boost from the Rumble-Rumble Fruit raised her strength to Level 2, Stage 6.

After deactivating her elemental transformation, Kaede turned her attention to the Nine-Tomoe Rinne Sharingan lying on the bed.

Now that she had successfully absorbed the Rumble-Rumble Fruit, it was time to move on to this powerful Rinne-Sharingan.

Within seconds, Kaede picked up the blood-red eye and began examining it closely.

The Nine-Tomoe Rinne Sharingan was enormous, with an estimated diameter of almost ten centimeters—nearly the width of her palm.

Kaede had never seen her own eyeball, but she was certain it couldn't possibly be this large. There was no way something this size could fit into her eye socket.

As for how to fuse with this massive eye, Kaede was completely clueless. Surely, it wouldn't involve gouging out her current eye and replacing it with this one, right?

In the world of Naruto, eye transplants were done this way, but the situation here didn't seem to follow the same logic.

When in doubt, consult the chat group.

Kaede reached out to Little Skirt in her mind, asking, "Little Skirt, how do I absorb this eye?"

[Ding! There are two methods:]

 1. Wrap the Nine-Tomoe Rinne Sharingan with your internal energy, and it will transform into a special form of energy that fuses into your selected eye.

 2. Consume 500 points to use the one-second fusion service.

"Oh, that's pretty straightforward," Kaede nodded, realizing what she needed to do.

The first method was clearly designed for powerful group members who could manipulate their internal energy externally. The second method catered to beginners or those just stepping into the realm of superhuman abilities.

Since Kaede's strength had already reached Level 2, Stage 6, external energy manipulation was well within her capabilities.

She promptly used a streak of lightning to envelop the Nine-Tomoe Rinne Sharingan. The eye quickly transformed into a special energy and merged with the lightning, traveling back into her body.

The energy coursed through her arm, up her neck, and finally settled into her right eye.

Immediately, Kaede felt a warm, soothing sensation in her right eye, as if it were soaking in warm water. This pleasant feeling instinctively caused her to close her eye.

The fusion process lasted about five minutes. When the warmth in her right eye dissipated, Kaede knew she had successfully absorbed the Nine-Tomoe Rinne Sharingan.

Eager to see the result, she reached into the second drawer of her desk, retrieving a small square mirror, and brought it to her face.

The reflection in the mirror showed her adorable features: smooth, fair skin; a delicate nose; cherry-pink lips; and her bright, expectant black eyes.

With a slight thought, her right eye instantly transformed into the blood-red Nine-Tomoe Rinne Sharingan, featuring three concentric circles interlaced with nine black tomoe.

Although the eye's appearance was magnificent, Kaede's current strength was still insufficient to activate any of its powerful ocular techniques.

For the next few minutes, Kaede gleefully toggled her right eye between its normal black state and the Nine-Tomoe Rinne Sharingan. To her, it was like playing with a fascinating new toy, and she was utterly delighted.

…

...

As time slipped into late June, the outdoor temperatures steadily climbed, heralding the arrival of midsummer. However, the heat had no impact on the villa estate where Eriri and her companions resided. The scenery remained one of perpetual spring, with blooming flowers and falling cherry blossoms.

Eriri sat casually at the edge of the house, dressed in a vibrant and luxurious kimono. Her beautiful golden hair spilled freely onto the floor, while her bare feet crossed over the lush green grass outside.

A gentle breeze swept by, carrying a few stray cherry blossoms with it, causing Eriri's hair to lift slightly. Paired with the faint smile on her face, it created a picture of unparalleled beauty.

Nearly a week had passed since the last group of members joined the chat group. In that time, Kaede and the others had grown familiar with the rest of the group. Thanks to the support of points, their abilities had steadily improved.

During this period, Antilene had officially entered the Lord God Space as a reincarnator, joining the reincarnation team they had previously encountered in the Attack on Titan world. Meanwhile, the superpower training course had made great progress, though Eriri herself had only attended once before opting out entirely—naturally, Arifureta and the others followed suit.

At that moment, Eriri was quietly reading a manga resting on her lap. Suddenly, a petite figure dashed out of the house with the sound of silver-bell laughter, throwing herself onto Eriri's back and gently wrapping her arms around her neck.

"Eriri-nee, what are you reading?" Illya asked in a sweet voice, pressing her small face against Eriri's cheek.

Illya was dressed in a light pink short-sleeved shirt and a black pleated skirt. Her waist-length silver hair cascaded down her back. Like Eriri, she was barefoot.

"Just some manga," Eriri replied with a soft laugh, nuzzling Illya's smooth little cheek. "Why are you out here? Weren't you watching cartoons with Reina and the others?"

"We finished already!" Illya chirped. She shifted her position on Eriri's back playfully before asking, "Eriri-nee, will you play a game with me?"

"Sure, Illya. What game do you want to play?" Eriri gently closed the manga on her lap and placed it casually on the floor beside her.

Thrilled by Eriri's response, Illya released her hold and made a victorious gesture.

For the next half hour, Eriri played various children's games with Illya, indulging her every whim.

As they played, Eriri suddenly received a notification from the chat group, specifically an @mention from Nodoka Haramura. Curious, she opened the chat group while continuing to entertain Illya.

[Nodoka Haramura (Level 5, Stage 9): Eriri, our prefectural qualifiers are starting tomorrow. When are you coming? @Eriri (Level 8, Stage 9)]

[Adele (Level 4, Stage 1): Prefectural qualifiers? Nodoka-chan, does this mean your national tournament is about to begin? Curious.jpg]

[Nodoka Haramura (Level 5, Stage 9): Yes, that's right.]

[Adele (Level 4, Stage 1): I see! I knew from the memory videos that your team from Kiyosumi High School makes it through the qualifiers, but I still want to wish you good luck!]

[Nodoka Haramura (Level 5, Stage 9): Thank you! We'll definitely win the championship!]

[Eriri (Level 8, Stage 9): So it's starting. I'll head over to your world in a bit, and tomorrow I'll join you all at the competition venue.]

The time was just past 11 a.m., not long before lunch, so Eriri decided to travel to the Saki world after finishing her meal.

With Kohina's growing comfort around the household members, her extreme reliance on Eriri had significantly lessened. These days, she could go a day or two without seeing Eriri without becoming restless or agitated.

Thus, when Eriri visited other worlds for fun, she no longer needed to bring Kohina along every time. Besides, most of her household wasn't particularly interested in mahjong, so this time Eriri planned to travel alone to the Saki world.

Although Nodoka could livestream the matches to allow other group members to watch up close, Eriri's primary goal wasn't the tournament itself but the opportunity to explore that world.

[Nodoka Haramura (Level 5, Stage 9): Alright, we'll be waiting for you.]

In the Saki world, Kiyosumi High School's mahjong club members—Nodoka Haramura, Hisa Takei, Saki Miyanaga, Yuuki Kataoka, Mako Someya, and their sole male member, Kyoutarou Suga—were all gathered in the clubroom.

Except for Hisa, the other four girls were seated around the mahjong table, engrossed in a match, while Hisa and Kyoutarou stood nearby, observing intently.

The game had reached the third round of the east wind, and Nodoka was now the dealer.

With her formidable abilities, Nodoka's mahjong skills had advanced significantly. Controlling the tile wall was now as effortless for her as breathing. However, she deliberately refrained from using her full strength during games, especially in official matches. If she did, the entire national tournament could end without suspense.

Even so, the skill she displayed now already far surpassed that of Saki Miyanaga. Winning with rinshan kaihou (winning off the dead wall) was no longer Saki's exclusive forte—Nodoka could now achieve it as well.

Suddenly, a peculiar portal appeared not far from the mahjong table.

Yuuki Kataoka immediately pointed toward it and exclaimed, "Nodoka, there's a portal behind you!"

Having used world portals to attend the Martial Arts Tournament before, Yuuki instantly recognized it.

At Yuuki's shout, the other five in the room instinctively turned their gaze toward the area she was pointing at.

Moments later, Eriri stepped gracefully out of the portal, still dressed in her vibrant kimono.

She remained barefoot, though the length of her kimono skirt concealed her feet, so no one noticed.

Neither the hem of Eriri's kimono nor her bare feet ever touched the surface. A subtle, invisible force seemed to envelop her, maintaining a delicate separation of just a few millimeters from the ground, maintaining a delicate separation.

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