Bankai: The Supreme Twelve Supreme-Grade Blades

Yun Yi transmigrated to the Soul Society and had planned to take life easy and do as he pleased.

But when he learned that becoming a Soul Reaper would let him return to the World of the Living, he resolutely took the entrance exam for the Shin'o Academy.

After entering the Shin'o Academy by force as a "genius," he unexpectedly awakened his own Zanpakuto.

The supreme great-grade sword, one of the Twelve: Black Blade, Night.

From then on, he spent his days crossing blades with Zaraki Kenpachi and racing Soi Fon.

But the Seireitei was already in turmoil.

"Ding! The Soul King System has been activated."

Soi Fon, captain of the Second Division: "Join the Stealth Force. Otherwise, your talent for hand-to-hand combat will go to waste."

Zaraki Kenpachi, captain of the Eleventh Division: "You're a true warrior. Come join the Eleventh Division."

Toshiro Hitsugaya, captain of the Tenth Division: "A genius like me and you must be cut from the same cloth."

As a first-year student, Yun Yi crushed the top student in the second year on his very first day of school...

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.