masterpiece, best quality, anime style, high detail, full body, young adult female, black hair, long hime cut, soft bangs, almond-shaped red eyes, long eyelashes, slightly parted lips, black sailor uniform, red necktie, loose-fitting oversized long-sleeved jacket, black-to-faded-white ombre gradient, red plum-knot hair accessories, holding a katana, left hand holding the katana sheath, right hand slightly drawing the katana, partially exposed blade, sharp glint on the peeking blade, 3/4 rear view, slight low angle, confident intimidating presence, simple solid crimson red background, clean composition, strong silhouette