"A falling star has brought the chaos. The throne of fate has lost its master. The nonbeliever who walks in light and darkness will make his debut." In this magic world, knowledge is power.
After dying from betrayal, Thomas reincarnates as Jolthar Kaelzhar, the neglected son of a powerful clan, just after his brothers kill him. With Jolthar's memories and the blessing of Qalena, Thomas vows to rise from his lowly position and claim power in his new life.
Leo is an academic genius who enrolled in one of the top universities in the world for the rich and powerful, but he was born in a common family, which was more than enough of a reason for the other students to mess with him. On one fateful day, Leo found himself transported to a parallel world that was ravaged by monsters and where magic ruled supreme. Fortunately, he was gifted with a Magic System, giving him unlimited potential. How will Leo, who has no knowledge of magic or experience in fighting, survive this grim world filled with the unknown while being an ordinary person himself— or so he thought.