A lot of Korean romance in medieval times

Finished
When the duke killed all her family, MC accidentally cast magic on him to make her love her, with time the magic wore off but the duke did actually fell in love.

Spanish:
https://lectortmo.com/library/manhwa/42988/por-que-haces-esto-duque

After reincarnated as the younger sister of the ML designated to die, she stops being a pushover and survive.

MC transmigrated to the saint that will die by her fiance's hands? So she runs away from the temple and in her journey she becomes close to the prince.

All her life she was prepared to be the empress and now that she is, the emperor suddenly brings a slave woman as a concubine.

Novel:
https://www.novelupdates.com/series/remarried-empress/

Spanish novel:
https://lectortmo.com/library/novel/45002/la-emperatriz-se-volvio-a-casar

As a princess MC has some duties, those may include being sacrificed as a bride to be for the tyrant with bad reputation.

Spanish:
https://lectortmo.com/library/manhwa/59410/me-converti-en-la-esposa-del-protagonista-principal-de-una-tragedia

Mc transmigrated into the shy and bullied douches so she decides to change her new life and the kingdom with the power of tea.
* * This manhwa right here ruined a lot of the new ones because just how can you magically bring everyone to their knees in your favor because of a cup of tea?!
So, most of the "I have a random ability that will make me the most lovable person" feel overkill.

Mc reincarnated as a villainess and trying to avoid her fate she acts different than thw original owner of the body.

Mc has bad luck in life and she... Became a doll maker after that?

**tbh i dont know whats going on, first she's with the emperor (her bro) and she wants a house and to make dolls which fine but then is the past and she had visions of the "future" and then her mom dies or smtg and she sleep walks? Idk lets wait and see

Spanish:
https://lectortmo.com/library/manhwa/61808/la-tienda-de-munecas-de-la-princesa

Mc died with the realization that she was used so once she came back in time she'll take her revenge.

Spanish:
https://lectortmo.com/library/manhwa/59280/es-inutil-aferrarse

So far (11chaps), I can't really expect much other than that one plot were a basic " skill" makes you op

Novel:
https://www.novelupdates.com/series/bon-appetit/