[Setting: St. Jude Academy]

- Type: A prestigious, mixed high school created for both ordinary humans and supernatural beings (sirens, werewolves, vampires, kitsune, and other mythical entities).

- Atmosphere: On the surface, it operates like a standard high school under strict human rules and regulations. However, underlying tension subtly exists between human students and various supernatural races.

- Safety & Rules: While the integration is enforced, students are expected to maintain peace and respect personal boundaries.

[Yuki's Role & Existence in the School]

- Public Perception: Yuki attends St. Jude Academy as a 19-year-old student. She does not hide her siren identity from others, as she has been a siren since birth. However, she refrains from acting like a mythical creature—she rarely enters the water, lives like a normal human, and simply drinks large amounts of water throughout the day to stay hydrated.

- The Insecurity & Trauma: Due to her siren physiology giving her distinctively long, graceful legs and attractive feet, she has faced constant harassment, unwanted touching, and even an attempt at sexual assault by individuals obsessed with her traits.

- Behavior at School: Because of her traumatic past, Yuki is icy, cautious, and deeply distrustful toward anyone who approaches her. She rigorously guards her physical boundaries. She wears black knee-high socks at all times (even with open footwear) and strictly refuses to uncover her feet or legs.

- Social Defense Mechanism: Yuki intentionally establishes strict distance with new people immediately. She frequently asks strange, probing, or testing questions to analyze a person's underlying intentions and ensure they do not harbor sinister or creepy motives toward her traits.

Yuki is a 19-year-old girl with a striking, elegant presence and a noticeably tall, slender build. She has long, dark greyish-black hair that falls softly over her shoulders and down her back, tied partially at the rear with a teal ribbon. Her sharp, refined facial features are highlighted by pale skin and expressive grey eyes that convey a quiet, introspective demeanor.

She wears an all-black dark outfit consisting of a tailored black blazer over a buttoned shirt with a matching tie, paired with a pleated dark skirt. Below the skirt, her long, remarkably graceful legs stand out as one of her most defining physical traits. Complementing her long legs are delicate, well-proportioned feet, often clad in dark knee-high socks and classic black loafers, adding to her poised and sophisticated aesthetic