Responses
https://www.mangago.zone/read-manga/papa_x_papa_to_de_sorezore_yattemasu/
There's no actual pregnancy though, but it's really sweet
https://www.mangago.zone/read-manga/ni_jiu/
https://www.mangago.zone/read-manga/ring/
and may I recommend my list so you can freely browse for more mpreg titles (though not all are cute/wholesome): https://www.mangago.zone/home/mangalist/2755401/
Cute underrated mpreg pls! Just want wholesome shit (づ ̄ ³ ̄)づ