First Date is the episode where we first meet Chao-Ahn! She gets some good lines, but her appearance also provides some great themes for fanfic writers to explore, culture and communication among them. Here are a few good ones:
No Words by
deird1 On LJ /
On AO3Chao-Ahn finds her place on Revello Drive.
Chao-Ahn’s Letter by
gillo On LJ /
On AO3A letter home barely touches on the reality.
Flashback by
redeem147The new girl makes Spike think back.
Not This Time by
redrikkiGiles picks up a new recruit.
Prism by lirazel /
penny_lane_42 On LJ /
On AO3Molly, Vi, Chao-Ahn, Amanda, Rona, Kennedy, and Faith all have a different perspective on the vampire in the basement. (Spans Showtime to Chosen)
I know I've missed some, so please add any links you might have in the comments. I'm particularly looking for the one where Spike decides it's time to learn to speak Chinese.