TBH I'm not that good a source for recs because I don't read a lot, so I tend to favor quality over quantity. Where I go when I need an omega BSK fix is pretty much where everyone goes...

my blood in your mouth - https://archiveofourown.org/works/43184226
caught your fever - https://archiveofourown.org/works/34035715
blame it on the growing pains - https://archiveofourown.org/works/40381824
left where the daylight comes - https://archiveofourown.org/works/49161664