Hanyu

The trapped beast

- Dog and Bird
- March
- The Duke Wants To Have A Successor (translated in other sites, not here in mgg)
They are the most recent ones I've added to this list of mine: https://www.mangago.zone/home/mangalist/2755401/

and if you don't mind reading the raws or other sites, you could check:

- Hotteok Story (호떡뎐)
- Chung Chung Temple (청청존사)
I handpicked them from my list which you may browse and see if there's any you haven't read yet: https://www.mangago.zone/home/mangalist/2797467/

Non-OV Mpreg:
https://www.mangago.zone/read-manga/headache/

https://www.mangago.zone/read-manga/the_sacred_serpent_s_seduction/

https://www.mangago.zone/read-manga/love_in_orbit/

https://www.mangago.zone/read-manga/salty_lust/

https://www.mangago.zone/read-manga/alosha_s_flower/

https://www.mangago.zone/read-manga/a_trace_of_margins/

https://www.mangago.zone/home/mangalist/2897219/?filter=&page=1
Go to this list and if you want Mpreg which isn't omegaverse.. go to it's page 7-8.