http://www.mangago.zone/read-manga/royal_shop_of_young_lady/
http://www.mangago.zone/read-manga/the_lady_s_law_of_survival/
http://www.mangago.zone/read-manga/a_stepmother_s_m_rchen/
http://www.mangago.zone/read-manga/death_is_the_only_ending_for_the_villainess/
http://www.mangago.zone/read-manga/the_monster_duchess_and_contract_princess/?CWJt
not all of them a princess-y but all isekai-ish, hope u found these helpful!
oh and this too lol
http://www.mangago.zone/read-manga/i_became_the_ugly_lady/
do any of yall know any manhwa/webcomics like i raised the beast well (im really into badass, strong, abandoned/lost, "hated" FL type princess stories) (▰˘◡˘▰)