Tanbo de Hirotta Onna Kishi, Inaka de Ore no Yome da to Omowareteiru

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 has no knowledge of this world and 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...!? (Source: Magazine Pocket)