Isaac let his whole body go still and loose, flattening his tongue to give Stiles a clear path to the softness at the back of his throat. There was little Isaac loved more in the world than having someone fuck his mouth. Sometimes he even liked it a little too much, letting all of the air to his lungs cut off, until he was seeing stars.
He gave a soft groan, causing his throat to flutter around the length of Stiles' shaft. Isaac's eyes closed and he let the feeling of being used flow over him.