Character
664
664 in The Eminence in Shadow (2022), played by Miyu Tomita.
Nami (ナミ, Nami) is a member of Shadow Garden, being one of the Numbers under the codename No. 664. She is the leader of a three-person squad consisting of herself, 665, and 666. After 666 becomes queen of the Oriana Kingdom, she works undercover as one of her maids.
Read more about 664 on The Eminence in Shadow Wiki at Fandom