Responses
This looks interesting, if you remember/find it please let me know.
I also have a reading that is a bit similar to what you described, you should try reading it.
https://www.mangago.me/read-manga/2ban_me_no_alpha/
there was an omega night club worker (I think?) his ex -alpha has bitten him n then died, the current mc wants to bite him too and you know establish a relationship but uke is still kinda mourning so he doesn't have his heat at all