Responses
Hmmm.. If you mean the MC has a lot of greedy relatives that they'll target even a young child then these..
F MC
https://www.mangago.zone/read-manga/i_ll_be_the_matriarch_in_this_life/
M MC
https://www.mangago.zone/read-manga/swordmaster_s_youngest_son/
https://www.mangago.zone/read-manga/for_the_musical_genius/
https://www.mangago.zone/read-manga/the_chaebeol_s_youngest_son/
Is there any manhwas or mangas of family fighting for inheritance