Also known as: 真鶴チトセ
Fate/Requiem character. Lucius Longinus (Fate)' Master, and Utsumi Erice's grandmother who she uses non-aging magic to retain her youthful appearance. Manazuru is her maiden name, which she switched back to after giving birth to her son (Erice's father).
She and her servant Lucius Longinus won the Holy Grail (Fate) War 14 years ago and became the creator of Mosaic City, in addition to setting up the Holy Grail to distribute itself amongst the hearts of humans, allowing every human to summon their own servant.