I'm almost never on this site anymore. If you would like the full version, you must be 18 or older.
And if that link doesn't work.
1. go to adult fanfiction dot net
2. hover your mouse over the "ANIME/GAMES ARCHIVES" tab and select Final Fantasy
3. hover your mouse over the "MEMBER TOOLS" tab and select search
4. type in "Sephiroth's Desires" minus the quotes
5. make sure Story Titles is selected and not Authors for the search IN box
6. Finally, (after clicking search, of course ^_^) Select the title "Sephiroth's Desires" by C. .