hope some of these are what you're looking for
https://www.mangago.zone/read-manga/moto_akuyaku_reijo_makimodotta_node_ouji_sama_kara_tousou_shiyou_to_omoimasu/
https://www.mangago.zone/read-manga/i_used_to_be_a_disqualified_daughter_of_the_duke/
https://www.mangago.zone/read-manga/win_over_the_dragon_emperor_this_time_around_noble_girl/
https://www.mangago.zone/read-manga/the_villainess_who_traveled_back_in_time_inexplicably_lost_her_magic_so_she_went_into_seclusion/
https://www.mangago.zone/read-manga/the_villainess_wants_to_enjoy_a_carefree_married_life_in_a_former_enemy_country_in_her_seventh_loop/
https://www.mangago.zone/read-manga/tanaka_family_reincarnates/
https://www.mangago.zone/read-manga/higeki_no_genkyou_tonaru_saikyou_gedou_rasubosu_joou_wa_tami_no_tame_ni_tsukushimasu/
https://www.mangago.zone/read-manga/the_prince_was_my_lover_who_threw_me_away_in_my_previous_life/
https://www.mangago.zone/read-manga/i_was_reincarnated_and_now_i_m_a_maid/
https://www.mangago.zone/read-manga/villainess_level_99_i_may_be_the_hidden_boss_but_i_m_not_the_demon_lord/
https://www.mangago.zone/read-manga/akuyaku_reijou_ha_oshi_miboujin/
https://www.mangago.zone/read-manga/i_ll_become_a_villainess_that_will_go_down_in_history_the_more_of_a_villainess_i_become_the_more_the_prince_will_dote_on_me/
https://www.mangago.zone/read-manga/the_struggle_of_being_reincarnated_as_the_marquess_s_daughter_i_ll_deal_with_what_s_coming_to_me/
https://www.mangago.zone/read-manga/even_though_she_is_a_weak_max_daughter_she_has_taken_a_bet_from_a_shrewd_fianc_e/
https://www.mangago.zone/read-manga/magic_artisan_dahliya_won_t_hang_her_head_a_free_craftsman_life_from_now_on/
https://www.mangago.zone/read-manga/okiraku_ryoushu_no_tanoshii_ryouchi_bouei/
https://www.mangago.zone/read-manga/shoki_skill_ga_benri_sugite_isekai_seikatsu_ga_tanoshisugiru/
https://www.mangago.zone/read-manga/outei_denka_no_okiniiri_tensei_shitemo_tenteki_kara_nigerarenai_you_desu/
https://www.mangago.zone/read-manga/the_condemned_villainess_goes_back_in_time_and_aims_to_become_the_ultimate_villain/
https://www.mangago.zone/read-manga/the_reincarnated_great_saint_hides_herself_as_a_saint/
https://www.mangago.zone/read-manga/it_s_my_first_time_being_loved/
Slow life Royalty/Noble isekai/reincarnation manga NOT manhwa/manhua such as
https://www.mangago.zone/read-manga/i_was_born_as_the_seventh_prince_what_should_i_do/
Or
https://www.mangago.zone/read-manga/the_villainess_want_to_marry_a_commoner/