A classroom scene with a 12-year-old brunette girl, long hair tied back in a ponytail, sitting at her desk surrounded by other students. She is daydreaming about her birthday while her classmates are focused on their biology exam. The blackboard behind her shows diagrams of the cell and its organelles. Her eyes are drifting to the window, imagining a birthday cake and balloons outside. The lighting is soft, creating a contrast between her dreamy state and the serious atmosphere of the class. Created with detailed linework, realistic shading, and soft lighting effects --ar 16:9