Here's something to start off my ungainly initiation into realm of livejournal:

Title: A Brother's Vow
Genre: Family
Characters: Kai, Saya
Rating: K+
Plot Summary: Limits do not exist where his devotion to his beloved sister is concerned. Set at the very end of episode 38, ‘The Showdown Island.’ Saya/Kai siblinghood vignette. One-shot, COMPLETE.

( A Brother's Vow )