I've said here before that I'm not that fond of omegaverse, but I've found interest on unc...

http://www.mangago.me/home/mangalist/164842/ This is a list I made it includes every omegaverse that has been translated (at least that I am aware of) I know that there are a couple of stories that the omega tops or that the pairing is beta x omega

I don't remember much about alpha x alpha stories or beta x alpha sorry

Awww :( but thank you anyways

http://www.mangago.me/read-manga/romantic_joutou/ betaxomega
http://www.mangago.me/read-manga/shingeki_no_kyojin_dj_hangyaku_unmei/ the onega tops the alpha
http://www.mangago.me/read-manga/sukijanaitte_hyakkai_tonaeta/ this one maybe
http://www.mangago.me/read-manga/boku_no_high_spec_kareshi_sama/ the omega likes to top
http://www.mangago.me/read-manga/joukakei_kareshi/ betaxomega
Hope that helpssomehow

*omega

*helps somehow

Oh http://www.mangago.me/read-manga/kashikomarimashita_destiny/ betaxalpha (the second couple ) now Im done (￣∇￣")