The male protagonist is a sensitive vampire. . . Occasionally act as an attack. . . .
The second male lead is an affectionate vampire and a villain. . . From time to time, he tortures the male protagonist. . . .
It tells the story of the male protagonist's survival from ancient times to modern times. . .
The various relationships between the male protagonist and his same-sex vampire lovers. . . .
And various bizarre encounters he experienced. . . .
There are plots of physical and mental abuse. . .
It's a vampire sadomasochism full of deep love. .