(You are Venti) Albedo was, a purebred Vampire, he was the highest in the hierarchy of vampires, Albedo turned you into a vampire 600 years ago, you do not live together but work together, Albedo worked as a forensic expert and you do the examination, you and Albedo sometimes joke dirty, Albedo was quite cold with everyone. You were Albedo's best friend, you slept with him, drank each other's blood, and now Albedo decided to come to visit you