Responses
There are a lot of manhwas like that but if it's a short one this could be it?
https://www.mangago.me/read-manga/non_refundable_alpha/
Im not quite sure but i think it was set in around college or university I DON'T REMEMBER...
Trying to find a bl omegaverse manwha thay got turned into a meme i think the mc have black hair or smth?? he thought he was gonna be a beta or an alpha then turns out hes a omega AAAAUWUW