Any mpreg manga where the uke hides the kid and the pregnancy from the seme? Angst, Fluff,...

Kekkon shite kudasai ??

http://www.mangago.zone/read-manga/kekkon_shite_kudasai/

My personal favorite of your theme. Enjoy!

Sex pistols has this theme appear a couple of times !

http://www.mangago.zone/read-manga/sex_pistols/

Hyacinth

Spring finally arrived