Omegaverse

Gimme your favorites!ヾ(☆▽☆)

There are many by Sakyo(u) Aya with this.
In terms of manga outside of this author/artist; try using the tags affiliated with the mangas! Many animal characteristic mangas do this as well!

HERE'S A FEW LINKS THAT I HOPE HELPS!

http://www.mangago.me/read-manga/ookami_san_to_eroi_koto/

http://www.mangago.me/tag/animal+characteristic/

http://www.mangago.me/tag/mpreg/

I hope this helps! ^ v ^

Thank you so much!!!(≧∀≦)

You're Very Welcome!