Hoisk's story
(Maybe? Its kinda similar)
Hosik's story*
Not exactly like that but yeah...
http://www.mangago.me/read-manga/oya_no_kao_ga_mite_mitai/
BL with babies:
Raising a child and falling in love
http://www.mangago.me/read-manga/raising_a_child_and_falling_in_love/
Deliverance of the counterattack
http://www.mangago.me/read-manga/deliverance_of_the_counterattack/
Tadaima, Okaeri (omegaverse)
http://www.mangago.me/read-manga/tadaima_okaeri/
When the Yakuza falls in love
http://www.mangago.me/read-manga/when_the_yakuza_falls_inlove/
And then these too:
http://www.mangago.me/read-manga/kazoku_ni_narouyo/
http://www.mangago.me/read-manga/papa_no_sukinahito/
http://www.mangago.me/read-manga/papa_is_a_bride/
does anyone have a webtoon or something that's like whose baby is it that you would recommend