https://www.mangago.me/read-manga/this_life_starts_as_a_child_actor/
That's the most similar. The others are for your baby fever^^
https://www.mangago.me/read-manga/baby_tyrant/
https://www.mangago.me/read-manga/the_boss_is_three_and_a_half_years_old/
https://www.mangago.me/read-manga/i_became_the_male_lead_s_adopted_daughter/
https://www.mangago.me/read-manga/talented_baby_squirrel/
https://www.mangago.me/read-manga/the_baby_land_lord_is_retiring/
https://www.mangago.me/read-manga/my_family_is_obsessed_with_me_sugar_babies/
https://www.mangago.me/read-manga/am_i_the_daughter/
https://www.mangago.me/read-manga/i_was_born_as_the_second_daughter/
https://www.mangago.me/read-manga/i_m_being_raised_by_villains/
https://www.mangago.me/read-manga/a_saintess_who_was_adopted_by_the_grand_duke/
https://www.mangago.me/read-manga/there_was_a_hero/
https://www.mangago.me/read-manga/it_s_my_first_time_being_loved/
https://www.mangago.me/read-manga/my_mom_entered_a_contract_marriage_bored_corona_kids_version/
https://www.mangago.me/read-manga/lord_baby_runs_a_romance_fantasy_with_cash/
THANK YOU SO MUUUUCHHH ε=ε=(ノ≧∇≦)ノ
You're welcome. Have fun reading ヾ(❀╹◡╹)ﾉ~
Some recs similar to 'Superstar starting at age 0' or some, something with baby, this is the first time I got baby fever on a manhwa baby(and I read a lot)