Onkuo Senshu

Onkuō Senshū (温厚僭主, Gentle Tyrant) is a Shinigami hailing from the Senshū family, at a young age she produced large amounts of Reiatsu and soon after entered Shinō Academy where she learned how to become a Shinigami.

Trivia

 * Thanks to Miyuki Tsukiyono of DeviantART for the image.