Konoha, Training ground
The sun is up in the sky and above their head.
It could be inferred that the time is noon.
Rimuru trained tsunade on various basic uses of armament Haki and let her get used to it. Her progress in armament Haki is very fast, showing that she's rather talented in this aspect of Haki.
He looked at her with satisfaction.
Teaching a smart student is very easy as he doesn't need to spend too much effort in this area.
Feeling that it's time, rimuru stopped tsunade from continue to train and said: "Tsunade, Since you could use armament Haki at the most basic level, I'll give you a test now."
Forming a seal, four puffs of smoke appeared behind him and four identical rimurus appeared in tsunade's sight.
The four rimurus waved their hand at tsunade before each walked to a corner with tsunade at the center.
The four rimurus formed a ram seal before shouting: "Ninja Art: Four Red Yang Formation!"
The four rimurus broke out a powerful chakra outburst.
A thin red barrier in the shape of a box surrounded tsunade with a seemingly endless height.
Rimuru looked at the confused tsunade and said: "This is your test, tsunade. Just break the barrier with your own power!"
After saying this, he slowly walked towards a tree and leisurely laid down.
An apple suddenly appeared near his palm which he took a bite of.
You may be asking why does rimuru gave tsunade this seemingly impossible task?
The four red yang formation which requires 4 kage-level ninjas to activate. In the original work, the four red yang formation is used to trap the rampaging ten tails and was able to withstand one of its tailed beast bomb unscathed.
Right now it is used on a 7 year old.
Well… this seemingly impossible task is not so impossible.
The chakra reserves rimuru gave to his shadow clones is just kage-level and unlike the kage-level ninjas who were resurrected using the edo-tensei jutsu, the four shadow clones doesn't have infinite chakra.
Tsunade looked at the barrier with a proud smile, thinking that she has already broken the barrier.
Her chakra has been mobilized to her fist while it is clad with armament Haki which has a tinge of green.
"Hiya!!"
Letting out a war cry, she launched her fist at the seemingly flimsy red chakra wall, thinking that it'll completely collapse like she did with a boulder.
The small fist of tsunade carried terrifying momentum that even kage-level ninjas couldn't have.
The air around her fist lit up due to friction, covering her already terrifying fist with flame.
At this moment, her fist collided with the seemingly flimsy-looking red chakra wall. The chakra wall sank to a certain point and when she retracted her fist, the chakra wall went back to its original shape.
"???"
At first, tsunade thought she could instantly break the barrier with her fist but instead rows of question marks appeared on top of her head.
She was sure that even that pervy monkey, hiruzen, couldn't take her fist yet the red barrier in front of her that looks like it could break with a single tap of a finger didn't break in front of her fist.
Incredible!
Her eyes filled with surprise.
She mechanically turned her head towards rimuru who was resting under a tree.
"Br-Brother… what is happening?"
Rimuru, who still had a relaxed expression, explained: "That is the four red yang formation, an A-rank jutsu that specialize in the defense aspect. It requires four kage-level ninjas to form so obviously it would be hard to break."
When the explanation was finished, tsunade had an angry expression on her face and pouted.
"Brother! Who would use an A-rank jutsu on a 7 year old!! You Meany!!!"
She complained for another minute before stopping and focused on red barrier in front of her.
An hour later…
Tsunade finally broke the red barrier due to the four shadow clones running out of chakra.
"huhuhu"
The sweaty and exhausted tsunade fell on the ground, gasping for air.
Under the tree, rimuru got up and slowly walked towards tsunade, revealing a smile on the corner of his mouth.
"Good Job, tsunade. It looks like you completed the test I gave you. Now you should be relatively proficient in using armament Haki."
The constant usage of armament Haki is very useful in its development.
It is like a muscle.
Through constant exercise, the proficiency and use could be improved substantially while if used on actual combat, the proficiency level with greatly increase.
So, in that hour of fisting the red and almost indestructible red barrier, tsunade's proficiency grew at a fast pace compared to when hitting the air repeatedly.
Rimuru bent down and grabbed the waist of tsunade and began walking home.
"Put me down, brother! You pervert!"
Tsunade weakly struggled at the grip of rimuru.
The posture in which rimuru is holding her is very humiliating for someone of her personality.
Maybe a princess carry would be very romantic for someone her age or even a piggyback ride will have the same effect.
But!
Holding her like carrying luggage is not romantic AT ALL!
Though she can't struggle much as her physique and chakra has been exhausted from the training a while ago.
One Hour Later…
Rimuru arrived at the senju compound where he greeted the guard politely and returned to his courtyard with tsunade in tow.
*thud*
Throwing the small baggage down at the couch, he turned on the TV and changed the channel to the one tsunade liked.
"Ugrh… brother, could you lightly put me down next time?"
"Yeah Sure…"
After muttering a few words for tsunade, Rimuru quickly opened the system and began inspecting his status.
[Name: Rimuru Senju ]
[Cultivation Base: First level of Golden Core realm ]
[Chakra: Tailed Beast-level (One Tails) ]
[Strength Evaluation: Peak Six Paths level ]
[Template: Whitebeard (20%) ]
[Talent: Unlimited Increase Talent (Omnipotent-Rank), Auto-Cultivation Talent (SuperGod-Rank), Instant Mastery Talent (God-Rank) ]
[Skills: Medical Ninjutsu (C-Rank), Chakra Enhancement (B-Rank), Transformation Jutsu (D-Rank), Substitution Jutsu (F-Rank), Summoning Jutsu: Katsuya (C-Rank), Shadow Clone Jutsu (D-Rank), … ]
Surprise flashed in rimuru's eyes when seeing his chakra volume.
He didn't know that his chakra has reached the threshold of a tailed beast.
Rimuru closed his status and turned towards tsunade who focused on the show in the TV.
"Is she going to be addicted to the TV? Probably not… hopefully not…"
When he said this, he didn't think that tsunade might be on the road to an otaku because the original tsunade didn't.
But…
The original tsunade had experienced multiple mental blows like the death of nawaki, the death of Kato dan, the death of hashirama, the death of Uzumaki Mito, the death of tobirama, the death of… you get the point.
Multiple deaths and tragedies plus the declining state and eventual extinction of the senju clan would probably destroy her passion of watching the TV.
That is in the original timeline in which he doesn't exist.
Now that rimuru exist, he wouldn't allow tragedies to be born… minus the death of hashirama…
With tsunade having a less tragic childhood compared to the original, her interest and hobby would grow richer instead of only having drinking and gambling as a hobby.
…
Late at night
Hokage's office
A single lamp was lit in the office with a white haired man, sitting down on the hokage's chair, reading a report given to by his secretary.
"Brother. Why did you give me this damn job!"
His complaining voice resounded in the empty office.
The Anbu has gone to patrol the village because tobirama would send them out since no one would attack a superkage ninja at night.
His dark red eyes glanced at the piles of documents.
Feeling the enormity of the documents and his heavy shoulders, he sighed and went back to finishing his work.
"I would rather fight the whole ninja army than to deal with this. I knew it was a bad idea from the beginning. Forming a big village with the level of IQ that my brother has. Even I, who has higher IQ, is having a headache at this. The only thing keeping me going is the vitality and energy that the senjus have…"
The sounds of pen scribbling could be faintly heard.
Coffee wasn't invented yet so tobirama could only push through this with the body of the senju clan.
…
(A/N Although it is very sloppy that I added a status function out of nowhere but just think that the status function is there at the beginning.)