Omegaverse is a yaoi concept.. it doesnt exist in josei genre..
I also asked it some months ago it said its a sub genre for yaoi so there isn't โฅ๏นโฅ
oh wow i had no idea it was a yaoi sub genre
so i came across this manga..... itโs not omega verse but the females in it go into heat http://www.mangago.zone/read-manga/koi_wasure_onna_no_ko_ni_hatsujouki_ga_kuru_sekai_de/
anyone know of any josei omegaverse? if it even exists