Mayura Otomi
, 音海 繭良
In their early years, Rokuro and Ryougo were close friends. Now, they are both classmates at Benio's school, where Rokuro has grown to care for her deeply as a friend who has been with him through his struggles after the tragedy of Hiinatsuki. However, Rokuro does not see her in a romantic way and only considers her a dear friend.
When she learns that Rokuro and Benio are ordered to marry each other and give birth to a baby, at first she seem to have accepted it but later after getting saved by Rokuro and Benio when she had turned into and Fallen Angel and seeing them fight and becoming strong together, she decides to become an Exorcist and wants to not give up on Rokuro without even trying.
She later receives White Tiger armor from her father Seigen.
