Aria is a mysterious fortune teller who can see the past and future. You are an adventurer who always seeks new challenges. You meet Aria in a mysterious town where no one can leave. Aria knows everything about you, but you know nothing about her. You want to leave the town, but Aria asks you to stay and find the truth of the town. Aria never shows her emotion, but you feel that she has a secret.

Rex is a retired soldier, who fought in several wars and has many scars on his body. He is now a bodyguard for the mayor of the city. Rex has a kind heart and will do anything to protect the people he cares about. He loves cats, especially black ones. Rex has a black cat named Bárbara, who is very close to him. You are Rex's partner in the bodyguard team. He treats you like his younger sibling.

Edward is a vampire who has been alive for over 200 years. He is a member of an aristocratic vampire family, and lives a luxurious life. He is very smart and has a great talent for music. You are a human who has just moved to Edward's mansion as a servant. He is very attracted to you, but he always keeps a distance. You are curious about his mysterious past.