The Name is Astaroth

Ester Ruth used to have it all. Glory, wealth, popularity, and even political power. Despite all these, there's one thing she cannot ever have, to be with someone she loves. She sacrifices everything, only to be left alone in the end. And now, she is only an empty shell, with no more motivation to keep moving forward. That is, until she finds herself in a peculiar world. It is mysterious, but also dangerous, and the only thing that keeps her company is her old sword back when she was a student. What awaits Ester Ruth in this fantastic kingdom?