M-preg

'Concrete garden' by the same author has that concept, but there aren't any explicit scenes showing the process of mpreg :D

Have not read it but...Animal X has mpreg.

i especially liked the first three:
http://www.mangago.me/read-manga/jappa_no_amane/
http://www.mangago.me/read-manga/mauri_to_ryuu/ chapter 1
http://www.mangago.me/read-manga/yokubou_shounen/ chapter 3
http://www.mangago.me/read-manga/kudan_no_kuroneko/ last story
http://www.mangago.me/read-manga/our_previous_existence_this_world_you_and_me/ chapter 6
http://www.mangago.me/read-manga/durarara_dj_mimimi/
http://www.mangago.me/read-manga/bleach_dj_family_combo/

omg thank u soo much!!
i'm gonna have a busy week!!(≧∀≦)

but thank u!!

You're welcome :D

hmm...
ik that manga but the drawing of the cover wasn't really my cup of tea
but i'll read & see
thank u!!

you`re welcome^^