Responses
http://www.mangago.me/read-manga/oyasuminasai_no_ato_wa/mf/v01/c001/8/
I think this may can help you : ) in mostly omegaverse mangas are those 5 pages for explanation what it means.
Where do i get more info about the omegaverse? I really need a good intro into this universe because I don't understand much of this manga, but it's adorable nevertheless ٩(๑❛ᴗ❛๑)۶