I try recommending good one but I'm not sure if u will like them
https://www.mangago.zone/read-manga/love_rides_on_pheromone_allergy/
https://www.mangago.zone/read-manga/will_die_for_you/
https://www.mangago.zone/read-manga/omega_rabbit_and_alpha_wolf/
https://www.mangago.zone/read-manga/unmei_ijou_koibito_miman_douki_no_to_jouai_keiyaku/
https://www.mangago.zone/read-manga/sweet_suffering/
https://www.mangago.zone/read-manga/gokudou_to_omega_mukidashi_no_katsuai/
https://www.mangago.zone/read-manga/i_m_engaged_to_my_omega_teacher_and_it_s_killing_me/
https://www.mangago.zone/read-manga/daddy_sugar_baby/
https://www.mangago.zone/read-manga/which_alpha_do_you_want_to_play_with/
https://www.mangago.zone/read-manga/oukami_san_to_oukami_kun/
https://www.mangago.zone/read-manga/snatching_the_bride/
THANK YOY FOR THIS RECOMMENDATIONS 〜(^∇^〜）
Any straight omegaverse
except love is an illusion that side story and the one night thingy (I forgot the name but it had a gray haired woman with it)