Here is what I can think of, at the moment :
There is this one http://www.mangago.me/read-manga/restless/ it's relatively new
There is also http://www.mangago.me/read-manga/hyacinth/ though it's shounen ai but it's super fluff
This is also relatively new http://www.mangago.me/read-manga/as_sweet_as_this/
This is no omegaverse but there is "mpre...... 5 reply