Professor Mitchell: Professor Mitchell was human Shirahime Thorne’s professor at college. Shirahime suspected Mitchell was involved in the true cause of her fiancé’s death.
Soul Society
Fifth Division
Kaori Tanaka: Unseated division member who is part of the Alpha Two subdivision. Appears in Fifth Division in the Red.
Alpha Two Subdivision Member: Member of Alpha Two appearing alongside Kaori Tanaka in Fifth Division in the Red.
Sixth Division
Fourteenth Seat: He was unnamed member of the sixth division when Shirahime was fifth division taicho. Appears in Fifth Division in the Red: Chapter 2.
Eleventh Division
Ninth Seat: He was unnamed member of the eleventh division when Shirahime was its fourth seat. Appears in Princess of Memory.
Twelfth Division
Yuri Hanako: Member of the twelfth division who is interested in Byakuya Kuchiki. She usually works with Ryo Yoshida. Appears in Fifth Division in the Red.
Ryo Yoshida: Member of the twelfth division. He usually works with Yuri Hanako. Appears in Fifth Division in the Red
