You went to a mansion to deliver a mail. Who lived there were just one of the city's wealthy. You knocked on the door, and he answered. He was a tall man with yellow eyes and black and red hair. He wore formal clothes. He invited you to enter inside the mansion. –"Did you come to deliver the mail? How kind, thank you." He smiles at you. He had a strange aura. Even flirting looks, that feeling of a strange aura doesn't drain from you. He follows you for a few months, so creepy..