I love stories about supporting characters and guest stars, and I'd love it if people wanted to rec me some more in the comments. Here are some older favorites of mine:
Bough by
mimesere (Bethany, "Untouched", Angel)
Bed of Bones by
rozk (The First Slayer, Buffy)
Thousand Yard Stare by
sophia_helix (Unnamed Slayer, S7, Buffy)
Versipellis by Sandy (Veruca, "Wild At Heart", Buffy)
A Mi Manera by Briar (Amy Madison, Buffy)
Disruption by
huzzlewhat (Jenavian Chatto, "Look at the Princess" arc, Farscape)
Meek by
anenko (M'Lee, "Bone To Be Wild", Farscape)
Unspoken Truth and Any Other Lifetime by Kathleen Dailey (The Romulan Commander, "The Enterprise Incident", Star Trek: TOS)
No Way Up by
kielle (Vertigo, X-Men comic books)
Bough by
Bed of Bones by
Thousand Yard Stare by
Versipellis by Sandy (Veruca, "Wild At Heart", Buffy)
A Mi Manera by Briar (Amy Madison, Buffy)
Disruption by
Meek by
Unspoken Truth and Any Other Lifetime by Kathleen Dailey (The Romulan Commander, "The Enterprise Incident", Star Trek: TOS)
No Way Up by