The spying system of a King

In this story our main protagonist got transmigrated into another world with a Spy system. Victor Ross, a average high school student got transmigrated in the body of King of Ross Kingdom. One of the low tier kingdom on western edge on the sky high planet. Although kingdom look calm on the surface but, there were many undercurrent between Five dukes and royal family that the previous owner of the body was unaware of. and this ignorance became his reason for death but, when Victor occupied this body,he also in the start being the highschool student engulfed himself in the luxury of life and forgot that he's a King now. One day suddenly a mechanical voice ranged in his mind. "Ding! sorry for the late host, your golden figure has arrived. The Spy system. So, With help of spy system, see as our hero discovered the truth and took revenge for previous owner and also conquer various kingdoms , Empire and find out other worldly secret about this planet. And at last became Victor the great.