The mc is a noble lady who is extremely smart but is considered vicious by the public. There was a wedding invitation from a noble from another country who is seen as a monster. The mc is currently engaged so the younger sister (she is a swordswoman and is well-liked by the public) has to take the place but because the younger sis was completely against this marriage the mc cancelled her own one to get engaged to the supposed monster.
What is this manga called it's about a girl who time travels to the past where she decides to take revenge on those who hurt her mother and herself. She becomes a seamstress and owns a tea shop with the help of a prince.
If you are talking about manhua... then... I think this one?
http://www.mangago.zone/read-manga/a_beauty_a_fatal_concubine/
I'm trying to find a historical manga about a soldier who loves his wife but has a poker face and his wife who loves the husband a lot but doesn't know how much he loves her. It was super cute and wholesome and the art was pretty i think
https://www.mangago.zone/read-manga/my_new_wife_is_forcing_herself_to_smile/
Maybe this one?? Sounds similar
This is it thank you so muchヾ(☆▽☆)