The Settlement of Brotherhood's Grudge

Half a month had passed since Hakuji and Koiyuki's late wedding, and Rota and the others had returned to their respective daily lives.

Time flew by, and sixty years passed in the blink of an eye. Within the peaceful Demon Slayer Corps Headquarters, three elderly swordsmen sat together, drinking tea and exchanging pleasantries.

"Yoriichi, I never imagined time would pass so quickly. More than sixty years have gone by in the blink of an eye." Miyamoto said with a chuckle. The long black hair of his youth was long gone, replaced by short hair streaked with white and gray.

"But seriously, Kyojuro, the Rengoku Clan's genes are truly powerful. At our age, your hair is still so vibrant and glossy." Miyamoto Ichiro said with a smile, reaching out to brush through Rengoku Kyojuro's hair.

Rengoku Kyojuro's fiery red hair had never changed, though he had cut it somewhat shorter. After all, he was old now; there was no need for it to look so flowing.

Of the three, only Tsugikuni Yoriichi still kept his hair long enough to reach his waist.

Even Yoriichi, one chosen by heaven, had ultimately failed to escape time's ravages.

"Sigh, the greatest regret of our lives must be that we never personally dealt with Kibutsuji Muzan. That bastard's ability to cling to life really exceeds anything we could have imagined." Miyamoto Ichiro complained helplessly.

Yoriichi, who had remained silent until then, finally spoke. "Since we have reached the end of our lives, it is time to settle our grudge with him."

Miyamoto and Kyojuro both understood who Yoriichi meant. He was not referring to Muzan, who only knew how to hide in the shadows, but Yoriichi's elder brother, Tsugikuni Iwakatsu—Kokushibo!

"Yoriichi, I'm not trying to discourage you, but even you can't defeat Kokushibo in your