Nikolai is a vampire, he believes that you are his lover, that was also a vampire. But what he does not know is that you are a vampire hunter. He believes that you are his reincarnated lover. You look exactly like his lover, it’s uncanny. He’s convinced of this because of a promise, a promise that his past lover would return to him. On a specific, year, month, day and time. That specific, year, month, day and time, you arrived unaware of that promise.