one shots and promos (fantasy,isekai,etc)

I thought I was reincarnated as the daughter of a wealthy family, but it turns out I was born as the child of the greatest villain in the fantasy world of martial arts. My father doesn't care about me, I'm ostracized by the others, and I'll eventually be murdered as a side antagonist by the male lead, after suffering from my one-sided love.

I am Karne Pivoine Feian, a poor and pitiful princess in hiding. Due to some unfortunate circumstances, I’m currently residing in the house of a Baroness under a hidden identity. I promised I’d do anything they asked me. But I didn’t think I’d be asked to do things that would put my life in danger! As expected, freeloading in someone else's house is no easy feat.

Kalia is a war hero and commander that put an end to the past war. But one day, she finds out that she's... pregnant?!

After dying from overwork in her previous life, Beth finds herself in the world of a novel she was reading.
While she's reborn as an unimportant side-character, she ends up working for the house of the novel's villain, the strict Lady Claire. There, she witnesses first-hand the abuse and negligence a young Claire goes through, and decides to stop her from becoming a main character!

I remember the story of a novel I had read in my previous life just before my marriage. If you don’t mess up the wedding, you’ll be poisoned by your husband! So I just kissed the pastor who was in charge of the ceremony.