Responses
The one you are looking for is this:
http://www.mangago.me/read-manga/bokura_ga_tsugai_ni_naru_made/
yes it is..thank you..
Yeah that is one of my favorite mangas.
it is about omega's... i think it started in a library at school- this guy bites this guys neck..the guys that got bite thought he was pregnant but wasn't.. he went to the other guys apartment, got attacked and the guy shows up and save him... that is all i remember...hope it helps and thank you