Have you read this? This one is so good
http://www.mangago.me/read-manga/abarenbo_honey/
Shounen no kyoukai~~ it just got updated and I reaaally hope they get a happy ending ;-;
More shounen-si than yaoi but I really liked it: http://www.mangago.me/read-manga/kasegimasen_kara/
Yaoi: http://www.mangago.me/read-manga/wagamama_mo_kimi_no_tame_nara_ikura_demo/
This one's ongoing so the sex hasn't came yet: http://www.mangago.me/read-manga/sutenaide_my_hero/
Does anyone now any good yaoi that involves alphas and omegas by any chance?