[Fic] Three Day Eventing, Bucky/Steve/Tony, NC-17

When I saw this pic of Sebastian Stan, what could I do but write this??

Three Day Eventing (1828 words) by sirona
Chapters: 1/1
Fandom: The Avengers (2012)
Rating: Explicit
Warning: No Archive Warnings Apply
Relationships: James "Bucky" Barnes/Steve Rogers/Tony Stark
Summary: Millionaire playboy Tony Stark needs horse riding lessons. His two instructors are more than willing to give him other lessons, too.
Notes: For radioaches and aliassmith, for encouraging this. Huge thanks to lanyon for betaing this and suggesting the title. ♥