A highly detailed, hyper-realistic pencil sketch of a group of students (late teens) in a classroom, laughing and celebrating amidst party decorations. The composition is rules of third, the camera angle is Wide shot, eye-level, the lighting is chiaroscuro, the texture is smooth blended shading. The color tone is monochrome with high contrast, strictly maintaining a true black-and-white aesthetic without stylization. The image is sharp and detailed, ultra-high-resolution, finely shaded, avoiding any anime or cartoon-like features, Detailed hyper-realistic pencil sketch of students in a classroom. Students are laughing and celebrating. Classroom is decorated for a party. Composition follows rules of thirds with a wide shot. Lighting is chiaroscuro. Texture features smooth blended shading. Image presents high contrast monochrome tone