Recommendation

Do they all have to be in it?
cuz idk look through here: http://www.mangago.zone/tag/omegaverse/

Not at all.

http://www.mangago.zone/home/mangalist/614680/
I have some healthy omegaverse couple if you'd like thatヾ(❀╹◡╹)ﾉ~

alpha x alpha
- http://www.mangago.zone/read-manga/okusama_ha_alpha/
- http://www.mangago.zone/read-manga/imitation_mate/
- http://www.mangago.zone/read-manga/alpha_ga_alpha_wo_daku_houhou/
- http://www.mangago.zone/read-manga/shiawase_ni_michita_yoru_no_niwa/

alpha x beta
- http://www.mangago.zone/read-manga/kashikomarimashita_destiny/ (second couple)
- http://www.mangago.zone/read-manga/kakumei_no/
- http://www.mangago.zone/read-manga/sensei_no_sensei/

omega x beta
- http://www.mangago.zone/read-manga/joukakei_kareshi/
- http://www.mangago.zone/read-manga/kurui_naku_no_wa_boku_no_ban_beta/
- http://www.mangago.zone/read-manga/kurui_naku_no_wa_boku_no_ban_beta/

omega x omega
- http://www.mangago.zone/read-manga/ai_to_makoto_moriyo/
- http://www.mangago.zone/read-manga/sukijanaitte_hyakkai_tonaeta/
- http://www.mangago.zone/read-manga/kasegimasen_kara/

The best one out there...
http://www.mangago.zone/read-manga/sayonara_alpha/