Have you read desire me if you can itsss so peak but it's still ongoing it like dominant omega x dominant alpha
https://www.mangago.me/home/mangalist/4217042/
here’s some strong omegas:
https://www.mangago.me/read-manga/you_are_my_world/
https://www.mangago.me/read-manga/high_school_salty_heart/
side couple is a mess so warning about this one:
https://www.mangago.me/read-manga/love_shuttle/
https://www.mangago.me/read-manga/the_secretive_xx/
https://www.mangago.me/read-manga/dog_and_bird/
https://www.mangago.me/read-manga/desire_me_if_you_can/
https://www.mangago.me/read-manga/kiss_me_if_you_can/
I've read all the major strong omega and alpha x alpha stories and I'm looking for new recs especially if the couple is enemies/rivals