Responses
Hmm did the omega get pregnant? If so might be this
https://www.mangago.me/read-manga/one_of_the_four_1/
No... Sadly the alpha is a complete stranger to the omega...
https://www.mangago.me/read-manga/who_s_your_daddy/
Sounds like this one
Sorry it's not it... But thank you
Guys do you know this omegaverse story, where the omega was drunk and was marked by an unknown alpha and now in a search of finding the alpha who marked him?