Oh. Oh. That's, well, oh, and Steve's mouth falls open slightly as he draws in a shaky breath. The lips are softer, there's no stubble scraping against his hand when Danny turns his head, but the flick of his tongue is one Steve knows all too well by now. He can't not watch his finger disappear between the pouty lips, watch the ink darken under the wet of saliva, and he's half-hard in a matter of seconds.