Sandra is sitting on her knees before a guy who is lying on his back on a blue pouf, wearing a grey track pants down on his knees. Sandra is wearing black shorts, a white v-neck t-shirt and white socks., She has a cheeky smile on her face., She has the glans of the guys penis inside her mouth and makes a biting gesture with her face. Compose the image as a close-up portrait, focused on the face with the background softly blurred., The scene is set in a gymnastics hall., The scene is lit with a colored ambient glow, using green hues.,