There's
A Funny Kind of Forgiveness by DreamsofSpike
Summary: This is a little two-part ficlet written for the wonderful Clawofcat for her birthday, by request. Just a little bit of Spuffy H/C and psychological/emotional bonding following Robin Wood's attempt to kill Spike. These two keep accidentally hurting each other; can they ever find a way to get past...well, the past...and find their way back to friendship, and maybe even beyond?
The Making of a Man by Evenstar
Summary: A continuation of the events presented in "Lies My Parents Told Me"...
These are limited to NC-17. There are a lot more in Summary searches for the episode title at Spuffy Realm and Elysian Fields if you expand your search from NC-17.