When you put chronology of a relationship in a blender, and take a look at what's left over, you probably wind up with something like this. Spoilers for both current games.

When the Mako only has room for three, a fourth passenger can cause... problems.

ME2 SPOILERS. Shepard finally sits down with Kaidan. Takes place after the end of ME2. Nothing but Shenko fluff. One-shot.

After a brief and unusual encounter with Kaidan Alenko, Shepard finds that things are not what they seem. Very short oneshot. Takes place at the end of Mass Effect 2.