Mrs. Kinjou
Mrs. Kinjou is a mysterious woman who appears in the anime series Blood+. She is first seen in the episode "The Blood of the Kinjous," where she is introduced as the mother of the protagonist, Saya. Mrs. Kinjou is a kind and caring woman, but she also has a dark secret. She is a vampire, and she has been using her blood to keep Saya alive.
Mrs. Kinjou's backstory is revealed in the episode "The Blood of the Kinjous." She was born into a family of vampires, and she was raised to believe that vampires were superior to humans. However, when she was young, she met a human man named Jin and fell in love with him. They had a child together, Saya, but Mrs. Kinjou's family disapproved of the relationship. They forced Mrs. Kinjou to give up her child, and she was exiled from the family.
Mrs. Kinjou eventually found her way back to Jin and Saya, and she vowed to protect them from her family. She used her blood to keep Saya alive, and she taught her how to fight vampires. Mrs. Kinjou is a complex and tragic character, but she is also a strong and loving mother.