Miles to Go Before I Sleep

Sirius Black has his eyes set on a beautifully elusive girl in his year, and has called on the advice of sweet yet naive Emmeline Vance to help him get her. His plan seems perfect... but spending time with Emmeline may make him realize things about himself he didn't previously know. And most surprisingly of all, he may do the same for her. Sirius/Emmeline Marauders-era 6th year