No.Face's manga / #Isekai(4)

Woman is captured by the villain of a story she wrote and taken to his world.

She sets out to make the demon lord fall for her.

She turns to the duke to get her out of marriage and he ends up in love with her and keeping her by his side. She's good with a gun and he almost loses an arm.

She wants to die and that's her main goal: to go back home. She doesn't fall for the og ml and keeps her knight with her.