Keisei

Keisei (京成) is the term given to the strongest of Soul Society's female Shinigami. Although, despite this, the title is recognized throughout the entire Reikai.

Soul Society's Legendary Three Keisei

 * Yoruichi Shihōin - "Flash Goddess" (瞬神, shunshin; "Flash Master" in the English version)
 * Takara Kuramoto - Unknown Title
 * Unknown

Hannya Keisei

 * Saori Sumeragi

Behind the Scenes
A keisei is literally a woman whose appearance can bring down an entire country.