Demon Slayer: The Journey That Began When I Became Yoriichi's Sister

Are others the same?

No one would think that Yuko's strength was lacking. Just as she had just demonstrated, even Shinazugawa Sanemi with his spiky hair was impressed.

If this woman is a demon, she is at least one of the best Upper Moon demons.

I wonder which side, Mr. Xingming or her, would be stronger.

Kagaya Ubuyashiki: "Regarding the activation of the mark, the Pillars have limited time, so I'm afraid we'll have to trouble Miss Ikuko to worry about it."

Yuko shook her head: "It's alright, everyone here is very strong, no less so than the pillars of the Warring States period."

"As for the markings, they can be activated with a little training."

The mark is arguably the simplest item in the three-piece set. It only requires one person to activate, and the remaining people can easily activate it when facing life-or-death danger after resonance.

It sounds like a life-or-death situation, but compared to the other two, it's too easy.

First, there's the Crimson Blade, which requires sufficient grip strength. Under Yuko's penetrating observation, only that blind rock pillar could possibly do it after activating its markings.

However, this person is probably over twenty-five years old.

Once the markings are activated, it probably won't last long.

And others...

Especially the Butterfly Sisters, Obanai Iguro, and Tokito, these people have the worst arm strength and grip strength in the team, and even if they awaken their marks, they will not be able to control the Crimson Blade.

Of course, we can't be absolute.

Sometimes you don't know your limits until you push yourself.

Just like when she was on the verge of death, she unleashed an astonishing grip strength to activate the Crimson Blade, almost severing Kokushibo's head.

This judgment is based solely on the facts.

Mastering a thorough understanding of a field is even more difficult, requiring talent.

A refined breathing technique and masterful swordsmanship are prerequisites. Only with sufficient strength can one reach the highest realm by skillfully opening the five senses.

"The Warring States period?" Everyone was taken aback upon hearing Yu Zi's words.

Yu Zi smiled subtly: "Hmm, strictly speaking, it wouldn't be an exaggeration for you to call me your ancestor."

It's really nice to get a good deal.

Sanemi Shinazugawa, the troublemaker, was the first to change his expression, and his face twitched as he was about to shout.

Yuko interrupted the spellcasting in time, explaining, "Whoa, I developed the Snow Breathing technique."

"It is a product of the same era as the five basic breathing techniques."

Everyone: "...Snow Breathing?"

Yuko nodded: "Mhm."

Kanroji Mitsuri innocently asked, "Is it the breathing technique that Kanae used to practice, the one where she would often collapse on the bed?"

Yuko nodded: "Mmm...mmm?"

Kanae gave an awkward smile: "Mitsuri..."

Sanemi Shinazugawa sneered, his chest puffing out unnaturally, and looked at Yuuko with disdain: "So you created that brain-dead breathing technique."

"I'm very curious how you developed such a bizarre breathing technique."

"Not only is the breathing technique nonsense, but the sword techniques are also a mess."

Yu Zi took a deep breath, a deathly smile spreading across her face: "Do you think it's possible that your talents are just too weak?"

“I find my breathing technique very easy to use, and some people have even said that my breathing technique is comparable to the initial breathing technique.”

She wasn't exaggerating when she said that.

The key to Sun Breathing's strength lies in its ability to subdue demons. When it comes to killing people, Moon Breathing is definitely superior. As for Snow Breathing, after hundreds of years of development, it has a bit of everything.

It combines the strengths of many schools of thought and belongs to this category.

Yu Zi's smile grew even brighter: "Just you wait, little thing. I'll take special care of you when you activate your markings."

Shinazugawa Sanemi subconsciously swallowed, then belatedly realized he felt a little ashamed. His face flushed red and he roared in fury, "Go ahead! Come on then!"

"Oh, right, and you shady brat too." Yuko decided to deal with him all at once, her smile turning into indifference as she looked at Obanai Iguro.

As soon as she finished speaking, Yu Zi's smile returned: "You two, you had a problem with me just now, didn't you?"

Obanai Iguro: ...Is this guy schizophrenic?

Yuzui Tengen, who was standing to the side, swallowed hard. He seemed to have said something rather ominous before.

Beside her, Kanae Butterfly's appearance instantly turned ashen, her face blank as she supported herself on the ground with both hands.

He muttered to himself, "I'm sorry, it's all because I'm too incompetent."

Shinobu Kocho shook her older sister's shoulder: "Sister, cheer up!"

Kagaya Ubuyashiki had a bright smile on his face.

It's very lively, everyone.

……

The improvement of Pillar-level combat power needs to be done step by step. This is the first time that Yuko has met them. The resonance of the markings will take time.

Moreover, the Demon Slayer Corps has many missions, so the Pillars cannot stay with the Demon Slayer Corps indefinitely.

Currently, Yuko is in charge of teaching the Pillars who have free time, helping them awaken their markings.

After leaving the Pillar Meeting, Yuko followed the Butterfly Sisters to the Butterfly Mansion.

“Miss Yuko, Shinobu told me about you a long time ago, but unfortunately I haven’t had time until now. It’s a pleasure to meet you today, so please allow me to express my gratitude.”

Kanae Butterfly sat upright with a dignified posture, her body slightly bent forward.

Yu Zi said straightforwardly, "No need to be polite. You have great talent, and saving you will be beneficial to defeating Muzan."

Kanae was a little dumbfounded: "Am I that talented?"

Yuko shrugged: "You can even use my messy breathing technique, isn't that proof enough?"

Shinobu Kocho chuckled to herself, "I didn't expect Yuuko to hold such a grudge."

It would have been better if she hadn't mentioned it, because once it was brought up, Yu Zi couldn't help but rub her temples: "That hedgehog-headed guy is such a headache."

The type of person she's worst at dealing with is energetic and disobedient.

Kanae hesitated for a moment: "Please forgive Shinazugawa for this, Miss Yuuko. He was just..."

"Ok?"

Kanae pursed her lips slightly: "His younger brother and sister died at the hands of his mother... and his mother was killed by him."

Yu Zi paused slightly, then fell into deep thought.

So that's how it is. She said that guy's hostility towards her was inexplicably strong, especially when she said that the call of a loved one could awaken the reason of an evil spirit.

How can you expect someone to believe that their mother, who turned into a ghost, killed their younger siblings with her own hands?

At the time, she considered that mentioning the other shore flower would only confuse everyone more, so she simply summarized the result.

For a ghost to be awakened by a loved one, certain conditions must be met.

Moreover, given Shinazugawa's rare bloodline, even if he were to regain his sanity, he would be instantly overwhelmed by that scent.

Yu Zi sighed: "It was just a joke. I can tell that these guys aren't bad at heart."

The Taisho Nine Pillars—pillars that stand tall and upright—how could someone who deserves such a title be an evil person?