ElricHollows's Manga

Penelope Eckart reincarnated as the adopted daughter of Duke Eckart and the villainess of a reverse harem dating sim. The problem is, she entered the game at its hardest difficulty, and no matter what she does, death awaits her at every ending! Before the "real daughter" of Duke Eckart appears, she must choose one of the male leads and reach a happy ending in order to survive. But the two brothers always pick a fight with her over every little thing, as well as a crazy crown prince, whose routes all lead to death. There's even a magician who's enamoured with the female lead, and a loyal slave knight! But somehow, the favourability meters of the male leads increase the more she crosses the line with them!

The daughter of a duke, the stuttering Maximilian, married a knight of lowly status at her father’s coercion. After their first night, her husband departed for an expedition without another word. He comes back three years later, this time as a famous knight in the whole continent. How would Maximilian face him on his return? "The more I think of you, the more lonely and lonely I become. I don't know why I can't quit even though it's so painful."