Thrace vs. Dracula

The protagonist is Giandomenico Fracchia, a shy and timid real estate agent. He receives an ultimatum: either sell at least one house and save his job, or quit.
Frakkia finds a client named Filini and travels to Transylvania to sell an ancient mansion that once belonged to Count Vlad—that is, Dracula. Upon arrival, it is revealed that Dracula is indeed a vampire and the Prince of Darkness.

Bizarre events unfold in the castle:

Dracula's relative, a vampire, is trying to make Thracia fall in love with her, her name is Countess Oniria;

Vampire hunter Kasper Labinsky tries to destroy Dracula, but dies at the hands of the vampire;
Casper's sister, Luna, wants to avenge her brother and enters the castle;
But in the end they call {{user}} , as if he/she is known as a "bounty hunter".

I don't know what to write