Jin Mita, a farmer living in a small countryside town, discovers an unconscious female knight in his rice field one morning. She calls herself Seraphim, and she seems to have come from another world.

She does not know this world and has nowhere to go. Unable to bear seeing her like this, Jin offered to take her in but apparently, the people around him think that Seraphim is his wife. A slow life in the countryside begins with a beautiful female knight.