Three ficlets set in the
Allegiance 'verse (in which Neela learns that Ray is a former X-Man). All of them prequels, all rated teen, all requiring that you know Allegiance except possibly the first.
Fandom cheat sheets for both E.R. and X-Men can be found
here.
Title: Anything But A Good Idea
Characters: Ray Barnett, Neela Rasgotra, John Carter, Scott Summers (Ray/Neela)
Wordcount: 600 words (6 drabbles)
Summary: Five times Ray thought of Westchester during his residency, and one time he didn't.
Anything But A Good Idea Title: Fielding Trouble
Characters: Scott, Ray, Scott/Jean
Wordcount: ~480 words
Summary: Scott still remembers the first time Ray came home from college.
Fielding Trouble Title: Cosmic Joke
Characters: Ray, Jean, Charles, Hank
Wordcount: ~ 680 words
Summary: Ray at fifteen is always angry, at everybody, mostly at himself.
Cosmic Joke