The series is set in a world with an alternate history, where magic exists and has been polished through modern technology.

A few years ago the world discovered magic. Humankind learned to use magic in their daily life. While dangerous demonic and magical beings use their power to great effects. More magically advanced countries signed a treaty and build technically advance magic schools that could help their citizens to use and grow their magical powers. The Schools have been set up to train talented students to become full-fledged magicians to help them protect against these magical beings.

The Merthyr Academy is a leading prestigious magic school located in the center of the Lunar city. Which studies advanced magic with modern technology.

A few years later after Grey turned 16 years old finding he could able to use magic he was enrolled in Merthyr Academy by his adopted parents. Becoming the worst mage who couldn't even able to use his magic properly, becoming trash in many eyes.

To complicate matters, he became an elite student on the first day of the entrance ceremony. Obtaining both jealousy and envy of everyone around. Being numerously targeted by the other students for his inferior magic strength and to prove his own worth.

However, Grey is determined to thrive in Merthyr Academy and has already determined to give it his all. Even if he's the weakest magician student available in the academy he'll prove himself as the strongest magician of all. Even if it means going to war.