As a Noble, It Makes Sense to Have an Evil God in Your Body, Right?

Traveling to the Knox Empire where steam and magic are intertwined, Aaron originally just wanted to be a simple and unpretentious second-generation rich man. After all, his whole family is a big boss. His father is one of the venerable Twelve Holy Knights; his brother is the cold and cruel deputy chief judge of the Black Gate District who is feared by all underground organizations. It wasn't until the day before his fifteenth birthday that his father handed him the ultimate trump card that the family had hidden for thirty years in a secret room - a group of black alien symbionts named "Dute" that clamored in his mind to eat human brains every day. The father smiled gently: "The reason why our family can rise is because we never believe in gods." ... One day, when the rebels' hundred-fold gravity magic circle and high-level assassins forced his brother into a desperate situation, everyone thought that the fifteen-year-old frail young master was doomed. Aaron sighed. Black slime erupted like a volcano, and the four-meter-tall terrifying monster tore apart the carriage and opened its bloody mouth at the assassin. "Sorry, there are no rabbit heads in today's meal. Let's make do with it."