Responses

https://www.mangago.zone/read-manga/i_became_the_youngest_sister_in_law_of_the_male_leads_in_a_tragic_reverse_harem/ (the romance hasn't started yet , it's focusing on her sisters's romance at the moment)

lotsss of flashbacks to their childhood
https://www.mangago.zone/read-manga/sangyang_the_wanderer/
anyone have a romance story that begins in the childhood or focuses part of it in childhood moments but no regressor please because I dont vibe when is a whole ass adult inside a child's body
also no fighting and monsters unless is very minor for the plot