Brook's Problem of Passing On

Ever since the Straw Hat Pirates disbanded, Brook had returned to Rusukaina Island and thrown himself into the grand project of building the palace.

He worked with tremendous vigor.

But he was no longer on Rusukaina Island. He had formed a new band and continued wandering the world... pursuing the path of music.

He had once entrusted his life to the Straw Hats, but now he had entrusted it to Kino. The Straw Hats were merely his "second boss."

After reaching Laugh Tale, his mission had been completed.

As he traveled the world with his music, he would occasionally stop by to see his former Straw Hat companions. But he had not visited them in the past twenty or thirty years. For someone nearly "immortal" like him, watching his companions gradually grow old... was painful. There had once been an image circulating online: the Straw Hat Pirates had all died, while Brook stood before their gravestones, playing the guitar.

For someone who was practically "immortal," that was a kind of torment.

He had once told Kino, "If one day I've lived long enough, please... Boss, end me with your own hands."

He was not truly immortal.

There were still countless ways to kill him.

For example, locking him up and sinking him to the bottom of the sea.

Naturally, Kino had not agreed. He had already decided to take Brook with him.

Over this period, he had already conducted experiments. Devil Fruit users could also form contracts with the Book of Kino. Moreover, there was one advantage: there was no need to first extract the Devil Fruit power before returning it.

Because of the Clover girl, once a contract was formed with the Book of Kino, the Devil Fruit would leave... and regenerate into a new Devil Fruit. However—the Book