From Lezhin US:
Having grown up as a duke’s son who is next in line for the throne of Earlswald, Alex has never truly known what the lower-class and oppressed people of his kingdom live through. To learn more about his people, he sets off on a journey throughout the different dominions of the kingdom. Meanwhile, Yessica, a princess who met Alex years ago, is on the run from her psychopathic fiancé. What will happen when she is reunited with Alex amid this journey, where they must face the forces that seek to ruin them both? Find out in this thrilling and adventurous sequel to "Light and Shadow (Ryu Hyang)".

Original Webtoon:
KakaoPage, Bomtoon, Lezhin, Naver Series, Ridibooks, MrBlue, Toomics

Official Translations:
S.Chinese, French, German, Thai, T.Chinese
English: Lezhin, Tappytoon, Pocket Comics, Manta

Note: KakaoPage, Delitoon, and KuaiKan combined both Light and Shadow (Ryu Hyang) and Golden Time (Ryu Hyang) into one on their sites.