There's one I just found but it only has two chapters but maybe you can find more by going through some of the lists but anyways here it is it's called A Tough Alpha Wants to Be Loved -Cornered by a Young Omega-
Love delivery chapters 5 SO GOOD
https://www.mangago.zone/read-manga/like_a_tidal_wave_from_pheromone_shower/
theyre a switch couple <3
https://www.mangago.zone/read-manga/omega_bite/
also this one is kinda similar except the alpha turns into an omega so its basically an omega x omega
Bl with omega top x alpha bottom