|Kanji Name||斉藤 梓|
|Romaji Name||Saitou Azusa|
|Relatives||Yakumo Saitou (son)|
Azusa Saitou is Yakumo's deceased mother.
Azusa was a very beautiful woman with long straight brown hair,green eyes and fair skin. She wore a red pendant as a necklace up until the night she tried to strangle Yakumo.
Azusa was a loving and caring person. She truly loved Yakumo for his existence regardless his red eyes. Azusa was gentle, kind and calm.
She was kidnapped and held captive when she was young. She eventually managed to escape, but was raped by the man with red eyes who is now Yakumo's biological father. She tried to kill Yakumo when he was young because of his red eye as she was told his red eye would cause him to kill people.