Humanity is in a fierce battle with the ferocious Ryuki clan. The war is raging and all life is in ruins. They stepped forward at the critical moment when mankind was in dire straits and in urgent need of help.
They are humans who have been hiding in the shadows for hundreds of years, possessing mysterious abilities that are different from ordinary people. Some people choose to teach everything they know and fight side by side with humans, hoping to turn the tide of the war; others keep their abilities secret and live alone.
Qin Yi was an unfortunate young man. The war caused him to lose everything - his home was destroyed and his relatives were separated. The only legacy left behind was a dilapidated ancient book, but he didn't even have the strength to open it.
This seemingly useless book turned out to be a turning point in his fate.
...
"It's time to eat!"
"You must drink human blood within 24 hours!"
"Until the mission is completed, your health will continue to decrease!"
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
