Here are some of my favorites: (trigger warning, read with caution)
Prison breakfast
Intoxicated (Ni Jiu)
Into the Rose Garden
How to snag an alpha
https://www.mangago.zone/read-manga/kashikomarimashita_destiny/ (v poetic and solemn involves real world issues and self exploring)
https://www.mangago.zone/read-manga/anti_alpha/ ( challenges alpha omega norms, the leads are equally feral)
https://www.mangago.zone/read-manga/kamisama_nanka_shinjinai_bokura_no_eden/ (V unique omegaverse explores the first case of alpha omega in the world like puberty)
Ones that aren’t toxic >>>
https://www.mangago.zone/read-manga/omega_complex_1/
https://www.mangago.zone/read-manga/shima_chanchi_no_tsugaijijou/
https://www.mangago.zone/read-manga/tadaima_okaeri/
https://www.mangago.zone/read-manga/okusama_ha_alpha/
https://www.mangago.zone/read-manga/alpha_no_ie_no_ko/
https://www.mangago.zone/read-manga/kozure_omega_to_boukun_yakuza/
https://www.mangago.zone/read-manga/unmei_no_tsugai_ga_omae_da_nante/
https://www.mangago.zone/read-manga/willow_love_story/
https://www.mangago.zone/read-manga/surge_looking_for_you/
https://www.mangago.zone/read-manga/unromantic/
https://www.mangago.zone/read-manga/kiraide_isasete/
https://www.mangago.zone/read-manga/smyrna_capri/
https://www.mangago.zone/read-manga/turning/
Any bl omegaverse you really like?
I think the universe is underrated (as in the humans with instinct/animal behavior aspect, its soo good, but all people do is grr heat grr mate grr fuck LIKE URGHDG)