The wedge is from the brother's perspective, which facilitates providing background services to the main text, and the main text will switch to the younger sister's perspective.
With sixteen as the limit, the first half is light and the second half is dark. As a member of the blood hunting family, the story of the female protagonist Euphemia and the male protagonist Gray Vampire.
"On the day of my brother's coming-of-age ceremony, I never dreamed that because of my willful choices, I would start a dark night for our family..."
Purpose: Taking the girl as the main line, to find out the truth that the vampires no longer set foot in the human world.