What would you do if your blood holds an irresistible allure for all contracted creatures?

Kylen had no choice.

In an alien metropolis where the Abyss descended and monsters roamed freely, Kylen’s awakening ritual failed.
Laughed at, abandoned, forgotten by fate.

Until that night, he met the dying Vampiric Slime Queen Avelia.

At the moment he was drained of blood by Avelia, he accidentally awakened the system within him.

From then on, blood became his weapon, and all creatures served him.

And that arrogant and dangerous queen slowly opened her eyes in his arms.

Master, I'm hungry…