Extremist Has A Devil Family

Zero was an extremist who once liked something will get that no matter how many obstacles he face. He was a true maniac, a true enthusiast.

Now, a new world is opened to him in which there are supernaturals involved. He was turned into a devil and a husband of the devil princess. However, his story didn't end there as he had RH Null Blood.

He got a devil family now. And he is an extremist. The story and Zero's new life has just begun.

The new life to become the strongest existence. The existence that would make all other existences kneel because of his dominance and power.