Ayumu Hashimoto/History

Ayumu grew up at the Shihōin Mansion with childhood friends,, , and During this time they played together daily under the Sōkyoku hill training space, which  built when they were children, and in time, she became one of both Kisuke's and Yoruichi's best friends.

Sometime later, Ayumu became a member of the, because of a reccomendation from Yoruichi. Yoruichi noted that she served perfectly within this position and became much better "at what she does" because of her placement. Her position changed when she became a member of the, without having become a Captain, perhaps because of several captains reccomending her at the time.

Upon the arrest of Urahara and Tessai, masked Yoruichi and Ayumu arrive, knocking several guards unconscious and saving the two by taking them to a.

In the area, Yoruichi explains how mad she is while Kisuke asks how Yoruichi got Ayumu to come along, in which Ayumu explains that Yoruichi said Kisuke was in trouble, and Yoruichi notes she came along easily.

Later, she was relieved of her position and supposed "cases" she worked were reopened and information she had provided was looked over.