Haha, do you know why the gods, ghosts and monsters recorded in ancient books can no longer be seen in this world?
That's because a certain adult used the "world" to create a new world - one that only belongs to non-human beings.
The starting point of our story takes place in Peach Blossom Spring...
Feilian Agu's father is a human and his mother is a vampire. To put it simply, he is a hybrid.
(I know this introduction is a bit inaccurate, but... Ahem, let's just make do with it.)