Setsuna Inoue

"A blossom in the never-ending darkness that is the Dying Void."

- Kamui relating Setsuna to himself

Setsuna Inoue (セつなイのうえ, Inoue Setsuna) is a powerful Shinigami that works alongside Kamui. She once served as third seat of the Eighth Division under Captain Seireitou Kawahiru, over 180 years ago. She treats Wonderweiss Magera as her own pet, not seeing him as an intellectual equal.

Trivia

 * Despite her surname, she is not related to Orihime Inoue.