Nobivia was originally a peaceful world with many different races, protected by the highest race "god", but demons are slowly invading the world.
The devil makes people become the "seven deadly sins", which refer to pride, greed, lust, envy, gluttony, anger and sloth. As long as a person inherits one of these sins, it is tantamount to challenging God.
"No one can escape the pursuit of the seven sins. They are a group of monsters who feed on fear. People who have inherited the seven sins can only kill in this world."
It has a unique plot, and the content is combined with many mythological stories, constantly updating your three views, looking at the corruption in the world, mixed with love and hatred.
On the other side, those who love the world are the "seven virtues". They are wisdom, kindness, faith, hope, courage, justice, and prudence. They have the same strength as the seven deadly sins.