His Majesty's Fox Spirit

[WSA2021 Entry] "One who gradually sensed his guilt, and the other who slowly came to know the truth." In order to win the war, the Emperor tricked a lonely fox spirit and took her as his vassal. The legendary fox spirit Loralei waited for the human she likes but ended up meeting a desperate man. How long would the Emperor lie on her face? How long until the truth prevails? Would the two parties consumed by their greed grow into something more?