Katen Kyōkotsu (Seireitou)

Katen Kyōkotsu (花天狂骨, "Bones of Heavenly Blooming Madness") is a stray female spirit. She was once the katana of, prior to his death. The sword had consisted of two separate entities, the original spirit that adorns the name of "Sakuranosuke" (桜乃助, Sakuranosuke) and a younger spirit that was created by her to conceal the of the. When her master had died, the second spirit had passed away along with him, leaving the original entity known as Katen Kyōkotsu by her lonesome. With no partner to call her own, she was destined to roam the spiritual realm as a stray, a blade belonging to nobody but herself.