On the ancient and mysterious land of Soul Society, rules and power coexisted, and every Zanpakuto carried its own unique abilities and soul.
Shunsui Kyoraku, the Captain who always wore a gentle smile yet was truly unfathomable, possessed one of the strangest beings in this land as his Zanpakuto—Katen Kyōkotsu.
Katen Kyōkotsu was not merely a blade. It was more like a living master of games, capable of turning children's innocent fantasies into deadly real-world rules, forcing everyone who entered its domain, strong or weak, to obey its cruel yet captivating laws of play.
Win, and you survived. Lose, and you had to die. Even its owner, Shunsui, was no exception.
But the game was not entirely fair. Since the wielder understood the rules better than the enemy and could change the type of game at any time, the wielder held the advantage within the game.
For now, though, it was unknown whether it worked on those with high Spiritual Pressure.
"Why tell me your ability? Wouldn't it be better to hide it?"
Kenpachi Zaraki seemed somewhat puzzled by Shunsui Kyoraku's honesty.
In his world, battle was battle. There was no need for needless words, much less for knowing the opponent's abilities beforehand.
Shunsui Kyoraku gently shook his head, a helpless smile on his lips.
"It can't be helped, Kenpachi. Katen Kyōkotsu's games exist on the foundation of fairness and rules. If I don't explain the rules to you, then the game loses its meaning. Even as its owner, I cannot violate that principle. It troubles me sometimes, but those very rules are what make the game so charming, aren't they?"
Hearing this, Kenpachi Zaraki curled his lips into a bloodthirsty grin. The fighting spirit within him was thoroughly ignited. "Go on. Let me see whether your game can really