Responses
Are you talking about this one because there a part where both of them were taking care of a baby
https://www.mangago.me/read-manga/18_unlimited/
Possibly this: https://www.mangago.me/read-manga/dekichatta_danshi/
What’s the name of the yaoi where someone drops their baby off at the house of a teenager or something, and the 2 teens try and raise it?