Just as the Demon Slayer Corps' grand training camp was in full swing.
In a remote, desolate town far away in Kansai.
Uzui Seshū knelt on one knee on the ground, covered in wounds.
This once-formidable leader, who had commanded an entire Ninja Village.
Now had nothing but disbelief and resentment left in his eyes.
What on earth... had happened to this world?
First, his eldest son, who had deserted, had inexplicably returned to the village.
And crushed him with a strength he could barely resist.
Even now, he could clearly remember the look in his son's eyes.
That condescending look of pity.
"You've grown old, Father."
Those few simple words had shattered the dignity and confidence he had built over many years.
At the time, he could only flee the village in disgrace, like a beaten dog with its tail between its legs.
Then, before he could establish a foothold in the outside world.
This monster before him, wielding a bizarre Samurai Sword, had defeated him with overwhelming swiftness.
And he could clearly feel it.
This monster was several times stronger than his eldest son, whose strength had skyrocketed-perhaps even dozens of times stronger.
Had demons nowadays become this powerful?
It was not as though Uzui Seshū had never dealt with the Demon Slayer Corps over a decade ago.
Or with those man-eating demons.
But whether they were swordsmen using Breathing Styles or demons possessing all manner of supernatural abilities.
In his estimation, most of their strength had hovered somewhere between Chūnin and Jonin.
Yet this one before him...
Whenever he thought of the battle that had just taken place.
How he had clearly given it everything he had, only for it to seem like child's play to his opponent.
He could not help feeling a chill.
"What the