665

No. 665 is a member of the Shadow Garden, being one of the Numbers. She is part of a three-person squad consisting of herself, No. 664, and No. 666. After No. 666 becomes queen of the Oriana Kingdom, 665 becomes one of her maids alongside 664.

Appearance
665 is a beautiful young female Elf with waist-length white hair and blue eyes. She is depicted as being tall with a curvy body that have sizable bust to contrast her from her partner, 664. As a member of Shadow Garden, 665 wears a dark Slime Bodysuit with gold accents which is a standard uniform for a Numbers agent, but with a bustier compliment to showcase her bust while allowing unrestricted movement. After forming a team with 664 and Rose Oriana, 665 added shoulder pads with a mini cape attached, which covered her upper back, and her bustier now exposes the top half of her breasts.

Personality
"Mooornin’, 666."

- 665 to 666

Compared to the overly diligent 664, 665 is noticeably more laid-back. However, she does follow her orders obediently and cares for her comrades. Overall, between the more extreme 664 and 666, 665 often serves as the voice of reason within their squad.

In the anime, she also appears to be a glutton, often appearing with food in her mouth.

Swordsmanship
665 after being saved from her demonic possession and being entered by the Shadow Garden, she has a skill and management of fencing that good that combined with her magic, she can face it and resist a fight against "First Children" of the Cult of Diablos.

Medical Knowledge
665 at least knowledgeable enough to know Claire's injuries are severe that need medical attention.

Trivia

 * No. 665 was originally introduced as a Beastkin. and was later written as an Elf.