Ultra-realistic, photorealistic, dramatic scene, shadow, global

$ultra-realistic, photorealistic, dramatic scene, shadow, global-illumination, solo, (perfect anatomy), (1 beautiful teenage Japanese high school student girl), wearing high school sailor uniform, in a classroom, the girl is drawing a cute panda$dessin style, very realistic cute panda, bamboo, colorful flowers, happy$ on a large blackboard using only chalk, professional lighting, peaceful sunny day, (very large blackboard), (A blockbuster artwork on a huge blackboard), she is holding a chalk and looking at viewers$