Can someone recommend something similar to this, whether it's straight, gl and so on i don...

if you're not reading it already read "Beyond the Memories", same vibe tbh

Rezrezrez

Royal wedding (bamilssi)

What

Piercing Stab has a similar vibe

Yeah that's one hell..

I thought of some more that have similar(ish) vibes, not necessarily omegaverse tho:
https://www.mangago.zone/read-manga/solo_for_two_mature/
https://www.mangago.zone/read-manga/morpheus/
https://www.mangago.zone/read-manga/healer/
https://www.mangago.zone/read-manga/precious_thing/
https://www.mangago.zone/read-manga/antidote_harusari/
https://www.mangago.zone/read-manga/perle/ (novel made me cry tbh)
https://www.mangago.zone/read-manga/piercing_stab/ (the novel for this one is better tho, the manhwa adapt is kinda ass)