Hmm I can only think of these stories where the FL are mainly in the military or work as Knights. Try these if it suits your tastes:
https://www.mangago.zone/read-manga/crimson_karma/
https://www.mangago.zone/read-manga/emperor_and_the_female_knight/
https://www.mangago.zone/read-manga/light_shadow/
https://www.mangago.zone/read-manga/it_s_not_easy_to_be_a_man_after_traveling_to_the_future/
https://www.mangago.zone/read-manga/i_became_the_wife_of_the_male_lead_bored_corona_kids_version/
https://www.mangago.zone/read-manga/reminiscence_adonis/
https://www.mangago.zone/read-manga/the_princess_spaceship/
https://www.mangago.zone/read-manga/irregular_empress/
https://www.mangago.zone/read-manga/the_villain_discovered_my_identity/
https://www.mangago.zone/read-manga/i_m_a_martial_art_villainess_but_i_m_the_strongest/
https://www.mangago.zone/read-manga/aidin/
https://www.mangago.zone/read-manga/asmodian_s_contract/
https://www.mangago.zone/read-manga/the_youngest_princess/
https://www.mangago.zone/read-manga/i_ll_be_the_matriarch_in_this_life/
https://www.mangago.zone/read-manga/the_daughter_of_the_elemental_king/
https://www.mangago.zone/read-manga/the_lady_and_the_beast/
Arigato gozaimasu
Shojo manhwa in which fl is reincarnated/ regressed or possessed someones body
And she is police/soldier/ shaman any profession which is new in that world and so everyone is shocked by her powers
Somthing like this