Nakwayusu 

Kim Sojin lived an intense everyday life as an oriental doctor. However, after losing her life in a fire accident, she woke up again in the Goguryeo period as the daughter of the Jeolnobu Yeon Clan 'Yeon Woohee.' Although she was born into a noble family, war breaks out every day in this era! And now that she's twelve, she's going through a political marriage?!