The Count’s Youngest Son is a Player

[Activating closed beta system. Current number of users: 1.]
Bae Dohyun lost his life because of the major guilds’ evil plan. He then possessed the youngest son of a count in a game that’s still in its beta service.
Reincarnated as Rich family’s youngest son, Raul.
“I’ll take it all this time!”
From Rank 1 player to the most powerful NPC, his new story beg