The Darkness of our Hearts

Set after the end of SWTOR. Sith Inquisitor Sereq Kallig had always known that her apprentice meant a lot to her. When, being the only man left from his bloodline, Xalek has to go back to Kalee and marry, she realises that her feelings are not easy to deal with and the pull of the Dark doesn't help either. FemSI/Xalek, rated M for reasons. not PwP, hopefully.