Charming Japanese schoolgirl sophomore, dressed in a traditional school uniform, brandishing a katana, stands confidently in a shadowy alley. The scene captures a cinematic quality, rendered in stunning 3D using Unreal Engine, with ultra-high resolution of 32k, aspect ratio 9:16. Her expression is both determined and whimsical, embodying a vivid, expressive style. Dimly lit lanterns cast a soft glow on the wet cobblestones, creating an atmospheric contrast between her youthful innocence and the mysterious surroundings.