Kotaro Lives Alone is pretty much the only one I can think of that has little to no romance xx
Spy x family
read both of these but thank u anyways :((
have you read rental onii-chan? Its pretty similar to what you're looking for
Omg thanks imma check it out
Here are some I remember
I hope you enjoy dear
https://www.mangago.zone/read-manga/kuriko_to_biyori/
https://www.mangago.zone/read-manga/nukoduke/
https://www.mangago.zone/read-manga/tiger_coming_in/
https://www.mangago.zone/read-manga/spirited_away_by_the_rain_woman_youkai/
https://www.mangago.zone/read-manga/yotsubato/ (kind of)
https://www.mangago.zone/read-manga/i_become_a_fool_when_it_comes_to_my_daughter/
https://www.mangago.zone/read-manga/nina_is_plotting_my_death/
https://www.mangago.zone/read-manga/the_human_hating_demon_lord_has_no_mercy_for_little_girls/
https://www.mangago.zone/read-manga/please_call_me_red_panda/
any recs with no romance about a child getting adopted and having like a found family situation going on, something lighthearted please and no romance at all