Cang Nan's Experiment

Shukuro Tsukishima felt deeply frustrated. After using the Book of the End for so many years, his first failure had ended in such a disastrous setback—he had even lost his life.

Even more absurdly, an Arrancar was actually clamoring for him to activate his ability and slash it once?

He had never seen such a request in his entire life.

Though they had introduced themselves as Arrancar, Tsukishima thought they were no different from Hollows.

An inferior species.

If not for these Hollows, Fullbringers probably would never have existed. Then people like Kūgo Ginjō and himself would not have suffered so much unfairness...