Just After Awakening to the Shenhao System, He Traveled Through Time and Became a Prince?

[The prince of Yama under the skin of a dandy] [The most dandy prince in the world] [Determined to kill] [Imagine the harem] [Counter routine] [Strategy] Lin Yuan, who has just activated the system of the billionaire and is about to start a life of leisure and wealth, is now transformed into the crown prince of an imaginary dynasty? And... How could this world want to kill his people! So many! ! ! ! No more alive! Go to hell! Perish together!