"Rivers and Mountains as Usual" tells a story set in an alternate era, with Maeve Lane playing Ethan Grant, also Eliza Grant.
She has been disguising herself as a boy since childhood, serving as a hostage in the Kingdom of Quincy.
During the period of war, the Celestial Dynasty was weakening, and various heroes were rising.
To secure his empire's future, the King of Quincy sent his fourth son, Ethan Grant, to the Celestial Dynasty as a hostage.
Upon their first meeting in the Royal Capital, Ethan was nine, and Miles Monarch was seven.
Ethan always kept in mind his identity as a hostage, remaining cautious at every step, yet he still attracted the attention of the Celestial Dynasty's Crown Prince, Miles Monarch.
Through numerous life-and-death encounters, and time after time standing up, she gradually developed uncontrollable feelings for Miles Monarch.
