When dusk falls, it means that night is just around the corner.

Tokyo Prefecture, train platform.

Dressed in a feather weave embroidered with flame patterns, Senjuro leaned on the concrete pillars of the platform, holding a Nichiren knife tightly wrapped in white striped cloth in both hands, and closed his eyes and fell asleep.

Although the Demon Slayer Team has close ties with local daimyos, it is not an official organization that has been explicitly announced, and in order to avoid unnecessary trouble, the Demon Slayer Team members will choose to wrap the Hinawa knife in disguise during large public places.

Two days have passed since the judgment of the pillars.

And Senjuro appeared here, naturally, to carry out the "Infinite Train" mission.

Purgatory Kyojuro had already boarded the train first, and the reason why he was here to close his eyes and pretend to sleep was to wait for the rest of the team members of this mission.

Minutes and seconds passed.

The noise of the waiting people and the honking of the trains passing by from time to time continued to reach Senjuro's ears.

Suddenly, there was a rush of footsteps.

Senjuro opened his eyes, and not far away, Tanjiro, my wife Zenyi, and Inosuke Zuihira were trotting all the way over.

Seeing Senjuro from afar, Tanjiro, who was carrying a wooden box, waved happily: "Lord Fire Pillar!" ”

Soon, the three of them came to Senjuro's side.

"I'm sorry to keep you waiting."

Chijurou shook his head: "I just arrived not long ago. Let's go, it's time to get on the train. ”

"Yes!"

……

"Whew-"

As the last rays of sunlight faded, the last train on the platform, the "Infinity Train", sounded the horn of moving forward.

However, no one knew that at the top of the "Infinity Train" at this moment, two figures stood in the wind.

Standing in front is a beautiful woman with a bewitching temperament. She has six flower buns on her head, and flower tattoos on the left side of her face and right forehead, which looks ghostly.

Standing behind her was a slender man with yellow squares carved into his face.

It is one of the lower strings that escaped from the Flesh and Blood Drum Tower of the Imperial Capital, Nightmare Dream.

"Are you all ready?"

The bewitching woman standing in front of her spoke, her voice charming and moving.

Nightmare stretched out her tongue and licked the corners of her mouth, a sickly flush appeared on her cheeks: "Lord Fallen Hime, everything is ready, everyone, you will definitely sleep in happiness......"

Accompanying the words was the low smile of Nightmare's drift away with the wind.

"Really? That's good. ”

……

"Boom—"

In the carriage that shook slightly, Senjuro and Tanjiro walked forward unhurriedly.

Before officially starting the mission, he needs to take Tanjiro and the three of them to meet Kyojuro.

It didn't take long for a burst of "Delicious! "Delicious!" The loud shouts reached the ears of several people.

Hearing this, Qianjulang covered his forehead with some unbearable eyes.

Forget it at home, outside ......

Alas.

Tanjiro, Zenyi, and Inosuke looked up, and saw a man with orange-red hair like Senjuro, eating a boxed lunch, and while eating, he let out a loud shout of "delicious", which attracted the frequent attention of nearby passengers.

Seeing this, Shanyi whispered in Tanjiro's ear: "Is he the other leader of this mission, Yanzhu?" ”

Tanjiro, who was also stunned, nodded: "Yes, he is Mr. Purgatory." ”

"It's really not just a foodie, is it?" Shanyi muttered quietly.

Sighing a little weakly, Chijuro stepped forward: "Brother, I'm here with three other team members." ”

"Oh, it's Senjuro." Seeing this, Chijuro sighed powerlessly again, and said to Tanjiro and the three of them: "You can find a place nearby and sit down, wait a while......"

"Yes!"

The three people who sat down looked at the lunch box that was piled high in front of Xingjulang, and they were a little shocked.

That's enough for ten grown men......

It's really a pillar, even the amount of food is so amazing!

It wasn't until the last box lunch was eaten that Xingjulang put down the chopsticks unsatisfied.

He looked up at Tanjiro, who was sitting on the seat on the right, "You're the one who met your lord." ”

"Yes." Hearing Kyojuro's inquiry, Tanjiro hurriedly stood up from his seat, "I'm Tanjiro Kamado." ”

Then, he gestured with his hand to Zenyi and Inosuke, who were also getting up on the side: "They are also from the Demon Slayer Team, my wife Zenyi and Kouhei Inosuke." ”

Hearing Tanjiro introduce himself to Yanzhu, my wife Zenyi owed a restrained debt, while Inosuke puffed up his chest angrily.

"I see." Kyojuro looked at the wooden box that Tanjiro was carrying: "Then, what is in this box?" ”

"Yes, it's my sister Youdouzi."

Tanjiro glanced sideways at the wooden box behind him, a smile on his face.

"It's the ghost of that time." Xingjurou shook his head: "I won't ask anything about what the lord has already approved." ”

After saying that, he patted the seat next to him and said to Tanjiro, "Come and sit here." ”

"Yes!"

When Tanjiro sat down, Kyojuro clasped his hands on his chest and looked straight ahead: "Be my stepson!" I'll take care of you! ”

"Huh...... Huh?! ”

When the words fell, not only Tanjiro's face was at a loss, but even Senjuro, who was sitting opposite them, felt a little stunned.

The so-called stepson does not mean a child in the literal sense, in the ghost killing team, "stepson" refers to the successor cultivated by the current pillar.

In the past, in order to protect innocent democracy, all members of the ghost killing team, including the pillar, were desperately fighting against the evil ghosts, and the swordsmen of the ghost killing team, who were not as inhuman as the evil ghosts, suffered very heavy casualties, even if they were as powerful as pillars, they were sometimes sacrificed.

In order to ensure the vitality of the Ghost Slayer team, the current pillars will choose a person with excellent qualifications and talents in the team to be their "stepson" and cultivate.

If one day, the pillar dies in battle, then the name of the pillar will be inherited by the "stepson".

This is the "stepson" culture of the Ghost Slayer.

"Wait, Mr. Purgatory, are you talking to me? Why are you looking at the air in front of you?! Tanjiro asked, a little confused.

Ignoring Tanjiro's words, Kyojuro said loudly to himself: "No matter how the times change, there will definitely be a swordsman of fire and water among the nine pillars." ”

"Inflammation, water, wind, thunder, and rock are the basic breathing methods, and all other breathing methods are derived from them."

"For example, the breath of the wind derived from the pillar of the sun is the derivation of the breath of the wind."

"Mizoguchi boy, what color is your knife?"

"Huh? My name is Stove Gate. Tanjiro retorted a little weakly, and then answered Kyojuro's question: "The knife is black. ”

"Black knives? That's not good. Hearing this, Xingjulang was a little surprised.

"Isn't the black knife good?" Hearing this, Tanjiro said in a daze.

"I've never seen a swordsman with a black sword become a pillar, and I don't even know what kind of breathing technique you'll need to specialize in in the future."

Looking at Tanjiro, who became a little depressed when he heard this, Kyojuro's face was filled with a confident smile: "Go to me, I'll train you!" ”

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