Handsome teenager sitting on a chair at his desk in a classroom

handsome teenager sitting on a chair at his desk in a classroom, back facing, 3/4 facing, wearing a t-shirt and jeans, (((see back facing, side profile of his face slightly))), his eye are closed, his tongue is out very far, sticking tongue out with eyes closed, side of face, backpack on the floor beside him, he looks at the blackboard in the background, UHD, photorealistic

worst quality, low quality, bad anatomy, bad hands, bad body, missing fingers, extra digit, fewer digits