Responses
https://www.mangago.me/read-manga/i_became_the_hero_s_mom/
https://www.mangago.me/read-manga/when_i_quit_being_mother_in_law_everyone_become_obsessed_with_me/
https://www.mangago.me/read-manga/i_found_a_husband_when_i_picked_up_the_male_lead/ - ML is boy uncle, but he's more father figure for him
https://www.mangago.me/read-manga/how_to_hide_the_emperor_s_child/
https://www.mangago.me/read-manga/the_twin_siblings_new_life/ - twins, so not just son
Any recommendation for stories in which the father love their son dearly? Someone like Charente Klaun (Crown/Clown) from "Please Give Me the Pacifier" and Winter from "What it Means to be You"?