The female protagonist is a senior student in a certain high school. One night in the dormitory, she accidentally time travels to a dynasty that has not been recorded in history. She is wearing pajamas from the dormitory and walking inexplicably on the road to the university, which is already considered a joke by everyone. However, she is suddenly surrounded by a large number of troops and is forcibly taken away... This article has a deep sadomasochistic love, the male protagonist abuses the body, and the female protagonist abuses the heart.