I Am in Ultra and Become the Big Brother of Cero at the Beginning

A new generation of good boy from Blue Star traveled to the Kingdom of Light and became the embryo of light next to Zero. ... Many years later, during the battle between Zero and Tartarus, Tartarus shouted: Brother, save me! Tartarus sneered: What kind of brother do you have? As if responding to Sero, a light flashed in the sky. He was Seg. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.