Although Muzan had never fully trusted the memories synchronized from that strange demon, there was no doubt that his fear of Sun Breathing was etched into his soul.
After all, Yoriichi Tsugikuni had truly been a nightmare he could not escape.
But now that the Swordsman most likely to recreate Sun Breathing was dead, he could relax for a while.
He immediately stopped demanding that the demons under him relentlessly pursue the Demon Slayer Corps. After tangling with the Corps for so many years, he knew perfectly well that, in a sense, those people were all lunatics.
If he pushed a bunch of lunatics too far, he would gain nothing from it either.
Meanwhile, Tetsuya and Izuna left the Demon Slayer Corps headquarters and headed to the Butterfly Mansion.
There, he saw the main trio of the Demon Slayer world: Tanjiro, Zenitsu, and Inosuke. And, of course, Nezuko.
As everyone knew, it was common knowledge that a three-person team had four members, just as the Four Heavenly Kings numbered five.
But when he saw that Kanao had beaten the three of them so badly they were on the verge of losing their minds, Tetsuya left with Izuna.
He would come back later. Following Tanjiro would lead him to the remaining Twelve Kizuki and Muzan.
But the time had not yet come. Their training at the Butterfly Mansion was a chance for them to get to know one another, as well as a rare stretch of peace.
"We're just leaving? Didn't you say that kid with the scar on his forehead was this world's Child of Destiny? If we stayed near him, couldn't we just wait for the Demon King to come to us?"
Izuna watched Tetsuya walk away, a little puzzled.
"He is this world's Child of Destiny, but clearly,