|Codename||Hanzō (半蔵, Hanzō)|
|Appear in||Anime, Manga, and Light Novel|
|Light Novel||Chapter 1|
|Affiliation||Sorasaki High School
Leader of Tsukikage
|Relative||Nagaho Fujibayashi (Former Master)
Momo Minamoto (Disciple)
She has a long blue hair that she wears on 2 ponytails behind her back, It is also stated that She is very beautiful and has purple eyes That turns Bright when she's on her Spyce mode. Her most prominent feature is her scar on her right eye.
As the leader of the Tsukikage, Yuki is always cool, calm and collected.Two years prior to the story, she used to be much more cheerful, but because of her Mentor's death, She became much more colder and has shown a somewhat Blank personality but, as seen when necessary, she can also mimic other types of personalities. One of her most notable characteristics is that she's extremely keen and sharp. She's quick to make rational decisions and is able to use her natural intuition to solve almost any problem. Due to the constant dangers on the missions she encounters she makes it her duty to be as strict as possible when given the mentor roll and uses any moment she can to teach or advise her disciple. Although it appears that she's being excessively indifferent and distant she acts this way to ensure the safety of her student. Yuki has been shown to be very blunt and straightforward when offering constructive criticism, however, she's not above above personally apologizing and taking responsibility when she believes that she or her disciple has made an error in judgement. Despite her cold exterior she does have the capacity to be considerate and kind. She's not above complementing or acknowledging somebody when she believes they deserve it nor is she against celebrating on a special occasion. Yuki prides herself on being the being best asset to team she can possibly be.