Sugar, Spice, and Spankings Are Nice (слэш)

“Y’know… that was sweet of you, Steven. Offering my coat in public like a sweet little sugar baby.” His voice goes sharper, and he slides one glass across the counter, gesturing with a flick of his eyes. Steve approaches, cautious even though Tony’s physically smaller and weaker than him. He knows who the prey actually is in this relationship. “Let’s toast… to our friends,” Tony offers, mild, holding up his glass. Steve clinks, suspicious.
“To friends.”
“You know… they’re not going to be able to decide whether to see you as Captain America or as Stark’s little bit of something on the side, now.” Tony smirks as he delivers the punchline, and Steve inhales sharply. He still takes a sip as Tony does, the liquid smooth and smokey on his tongue and warm going down. “You wanna be my trophy husband? A prize I can show off? Cause we could do that.”