Stories like Kill the Villainess

if you seek for historical genre then maybe you'd like to check showa genroku rakugo shinjuu. it's not manhwa historical kind tho but the plot ain't something you want to pass

https://www.mangago.zone/read-manga/i_became_the_hero_s_mom/ (i reccomend!!!!)

https://www.mangago.zone/read-manga/setting_sun_dazzled_eyes/ (I RECCOMEND!!!!!!!!!)

https://www.mangago.zone/read-manga/secret_lady/

https://www.mangago.zone/read-manga/a_stepmother_s_m_rchen/

https://www.mangago.zone/read-manga/i_became_the_hero_s_mom/

https://www.mangago.zone/read-manga/setting_sun_dazzled_eyes/

https://www.mangago.zone/read-manga/gorae_byul_the_gyeongseong_mermaid/