Responses
https://www.mangago.me/read-manga/i_became_the_wife_of_the_monstrous_crown_prince/
This is the first thing that comes to the mind
Have you read this?
https://www.mangago.me/read-manga/papa_wolf_and_the_puppy/
Thiss the only one i came across.

Why is it always father–daughter or mother–son stories? Where are the father–son ones?
Can someone rec manhwas where the core plot focuses on a father and son relationship (platonic obviously)?