Halp

Lmao

you can try out this one... It was supposed to have multiple stories but hasn't been updated for a long time now... The 1st story has what you searching for
http://www.mangago.zone/read-manga/pink_gold_5_cach/sa/sa-c000/8/

can try out this one too...
http://www.mangago.zone/read-manga/manager_ni_natte_mo_mondainai/uu/iur_chapter-1/pg-2/

This is good also
Futari No Musuko Ni Nerawarete Imasu

Arigatouu