Mita Jin, who lives and works in the countryside, discovers a female knight lying in a rice field. After hearing the story from the knight named Seraphim, it turns out she is from another world. With no place to go in modern Japan, Jin offers her a place to stay in exchange for helping with the farm. As Jin teaches Seraphim about agriculture, common sense, and culture in this world, the people around them start to see them as a married couple. Before long, Seraphim is considered Jin's wife. [Published as a book by Dengeki Shin Bungei. Volumes 1-2 available.] The manga adaptation is currently serialized weekly on Maga Pocket, with volumes 1-3 released. Volume 4 is expected around March next year.