Rhys reached down languidly and rubbed his thumb along the younger man's bottom lip, before lifting it to his own mouth and licking the slickness from his fingers. "Mhm, keep going. You really do have a remarkable mouth."

Not remarkably talented (not yet), but quite beautiful, lush and full, and so much prettier when they were flushed and shiny with spit. The older professor tapped one finger against his own teeth, feeling the pleasant ache and want in them, telling him how delicious it would be to just bite ...